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Exercise 1: 1. ______we lived in town, we often went to the theater. a. after b. when c. for d. or 2. He took the food eagerly, _______he had eaten nothing since dawn. a. if b. in case c. but d. for 3. ________the sun rose, the fog dispersed. a. as b. when c. before d. after 4. _______a married man, he has to think of his family. a. if b. as c. or d. so 5. Tired_______he was, he offered to carry her. a. as b. though c. although d. however 6. Some people waste food_______others don't...
Đọc tiếp

Exercise 1:

1. ______we lived in town, we often went to the theater.

a. after b. when c. for d. or

2. He took the food eagerly, _______he had eaten nothing since dawn.

a. if b. in case c. but d. for

3. ________the sun rose, the fog dispersed.

a. as b. when c. before d. after

4. _______a married man, he has to think of his family.

a. if b. as c. or d. so

5. Tired_______he was, he offered to carry her.

a. as b. though c. although d. however

6. Some people waste food_______others don't have enough.

a. as b. in case c. while d. before

7. _______she came to know him better, she relied on him more.

a. while b. because of c. though d. as

8. _______I sympathize with you point of view, I can't accept it.

a. while b. although c. but d. a or b

9. How can you expect your childen to be truthful________you yourself tell lies?

a. when b. therefore c. because d. since

10. Strong______he was, he couldn't lift it.

a. like b. as c. or d. and

11. He stole, not_______he wanted the money, _______because he like stealing.

a. for/but b. because/but c. although/however d.because/and

12. Not everybody thinks the building is ugly________, some people say it looks marvelous.

a. on the contrary b. because c. although d. since

13. Business has been very bad this year_______, we have had to close one of our factories.

a. consequently b. as a result c. but d. a or b

14. Take a map with you_______you lose your way

a. if b. in case c. so that d. so

15. The play was very boring, _______they walked out

a. so b. if c. when d. while

2
9 tháng 9 2018

Exercise 1:

1. ______we lived in town, we often went to the theater.

a. after b. when c. for d. or

2. He took the food eagerly, _______he had eaten nothing since dawn.

a. if b. in case c. but d. for

3. ________the sun rose, the fog dispersed.

a. as b. when c. before d. after

4. _______a married man, he has to think of his family.

a. if b. as c. or d. so

5. Tired_______he was, he offered to carry her.

a. as b. though c. although d. however

6. Some people waste food_______others don't have enough.

a. as b. in case c. while d. before

7. _______she came to know him better, she relied on him more.

a. while b. because of c. though d. as

8. _______I sympathize with you point of view, I can't accept it.

a. while b. although c. but d. a or b

9. How can you expect your childen to be truthful________you yourself tell lies?

a. when b. therefore c. because d. since

10. Strong______he was, he couldn't lift it.

a. like b. as c. or d. and

9 tháng 9 2018

11. He stole, not_______he wanted the money, _______because he like stealing.

a. for/but b. because/but c. although/however d.because/and

12. Not everybody thinks the building is ugly________, some people say it looks marvelous.

a. on the contrary b. because c. although d. since

13. Business has been very bad this year_______, we have had to close one of our factories.

a. consequently b. as a result c. but d. a or b

14. Take a map with you_______you lose your way

a. if b. in case c. so that d. so

15. The play was very boring, _______they walked out

a. so b. if c. when d. while

1.       _______ we lived in town, we often went to the theater          a. After                       b. When                   c. For                          d. Or2.       He took the food eagerly, _______ he had eaten nothing since dawn.          a. if                             b. in case                  c. but                          d. for3.       _______ the sun rose, the fog dispersed.          a. As                           b. When                   c. Before                   ...
Đọc tiếp

1.       _______ we lived in town, we often went to the theater

          a. After                       b. When                   c. For                          d. Or

2.       He took the food eagerly, _______ he had eaten nothing since dawn.

          a. if                             b. in case                  c. but                          d. for

3.       _______ the sun rose, the fog dispersed.

          a. As                           b. When                   c. Before                    d. After

4.       _______ a married man, he has to think of his family.

          a. If                             b. As                         c. or                            d. so

5.       Tired_______ he was, he offered to carry her.

          a. as                            b. though                  c. Although                d. however

6.       Some people waste food_______ others don't have enough.

          a. as                            b. in case                  c. while                      d. before

7.       _______ she came to know him better, she relied on him more.

          a. While                     b. Because of           c. Though                   d. As

8.       _______ I sympathize with your point of view, I cannot accept it.

          a. While                     b. Although             c. But                          d. a or b

9.       How can you expect your children to be truthful_______ you yourself tell lies?

          a. when                       b. therefore              c. because                  d. since

10.     Strong_______ he was, he couldn't lift it.

          a. like                         b. as                          c. or                            d. and

3
9 tháng 8 2021

1.       _______ we lived in town, we often went to the theater

          a. After                       b. When                   c. For                          d. Or

2.       He took the food eagerly, _______ he had eaten nothing since dawn.

          a. if                             b. in case                  c. but                          d. for

3.       _______ the sun rose, the fog dispersed.

          a. As                           b. When                   c. Before                    d. After

4.       _______ a married man, he has to think of his family.

          a. If                             b. As                         c. or                            d. so

5.       Tired_______ he was, he offered to carry her.

          a. as                            b. though                  c. Although                d. however

6.       Some people waste food_______ others don't have enough.

          a. as                            b. in case                  c. while                      d. before

7.       _______ she came to know him better, she relied on him more.

          a. While                     b. Because of           c. Though                   d. As

8.       _______ I sympathize with your point of view, I cannot accept it.

          a. While                     b. Although             c. But                          d. a or b

9.       How can you expect your children to be truthful_______ you yourself tell lies?

          a. when                       b. therefore              c. because                  d. since

10.     Strong_______ he was, he couldn't lift it.

 

          a. like                         b. as                          c. or                            d. and

9 tháng 8 2021

1 B

2 D

3 B

4 B

5 A

6 C

7 D

8 B

9 A

10 B

17 tháng 9 2019

Đáp án D

“Anh ấy ăn rất hăm hở bởi vì anh ấy chưa ăn gì từ lúc sáng sớm.”

- Rút gọn mệnh để trạng ngữ: Chủ động => V- ing; Bị động => V3/ed

- Điều kiện rút gọn: chủ ngữ hai vế giống nhau

E.g: After I had had breakfast, I did my homework.

=> Having had breakfast, I did my homework, (dùng having V3/ed khi động từ ở mệnh để rút gọn trước “thì” so với động từ ở vế kia; chủ động)

Vậy: He took the food eagerly because he had eaten nothing since dawn. => Because he had eaten nothing since dawn, he.took the food eagerly, (cùng chủ ngữ; chủ động) => Having eaten nothing since dawn, he took the food eagerly.

A, B, C không đúng nghĩa so với câu ban đầu

A. Anh ấy chưa ăn gì từ lúc sáng sớm mặc dù anh ấy ăn rất hăm hở.

B. Thức ăn được ăn vào lúc sáng sớm và anh ấy chưa ăn gì sau đó.

C. Anh ấy đã ăn cái gì đó trước nhưng anh ấy đã ăn rất hăm hờ.

Đáp án D (Vì chưa ăn gì từ lúc sáng sớm nên anh ấy đã ăn rất hăm hở.)

10 tháng 9 2018

1. We decided not to go out for a meal_______we were simply too tired.

a. but b. if c. because d. unless

2. Have you really go not money_______the fact that you've had a part time job this term?

a. although b. in spite of c. because of d. in case

3. We've been thinking about nothing else_______we bought our plane tickets.

a. until b. since c. so d. after

4. I'd go way somewhere_______I could afford to.

a. if b. in case c. as d. but

5. Wicky and I will be off to France________this term is over.

a. for b. as c. as soon as d. in spite of

6. We took lots of photo. We videoed the speeches________

a. but also b. however c. as well d. in addition

10 tháng 9 2018

1.C

2.B

3.B

4.A

5.B

6.C

10. He had an accident ____ he was careful. A. even though B. because C. so D. since 11. _____ it was raining, I went swimming. A. So B. Because C. However D. Although 12. Ann felt ill, ____ she insisted on going to work. A. though B. so C. and D. but 13. _____ I felt tired, I went to bed early. A. Although B. So C. As D. However 14. _____ he’s got an English name, he is German. A. Although B. However C. Because D. Since 15. They decided not to...
Đọc tiếp
  • 10. He had an accident ____ he was careful.
  • A. even though B. because C. so D. since 11. _____ it was raining, I went swimming. A. So B. Because C. However D. Although 12. Ann felt ill, ____ she insisted on going to work. A. though B. so C. and D. but 13. _____ I felt tired, I went to bed early. A. Although B. So C. As D. However 14. _____ he’s got an English name, he is German. A. Although B. However C. Because D. Since 15. They decided not to go out for a meal _____ they were too tired. A. so B. because C. but D. if 16. We were the better team ____ we lost the match. A. so B. and C. but D. because 17. Keith decided to give up his job ___ I advised him not to A. because B. however C. although D. since 18. ______ we were in town, we often met him. A. For B. Although C. So D. When 19. She didn’t get the job ____ she had all the necessary qualifications. A. because B. although C. so D. but 20. I could not eat ____ I was very hungry. A. even though B. in spite of C. despite D. in spite the fact that
1
1 tháng 1 2018

10. He had an accident ____ he was careful.

A. even though B. because C. so D. since

11. _____ it was raining, I went swimming.

A. So B. Because C. However D. Although

12. Ann felt ill, ____ she insisted on going to work.

A. though B. so C. and D. but

13. _____ I felt tired, I went to bed early.

A. Although B. So C. As D. However

14. _____ he’s got an English name, he is German.

A. Although B. However C. Because D. Since

15. They decided not to go out for a meal _____ they were too tired.

A. so B. because C. but D. if

16. We were the better team ____ we lost the match.

A. so B. and C. but D. because

17. Keith decided to give up his job ___ I advised him not to

A. because B. however C. although D. since

18. ______ we were in town, we often met him.

A. For B. Although C. So D. When

19. She didn’t get the job ____ she had all the necessary qualifications.

A. because B. although C. so D. but

20. I could not eat ____ I was very hungry.

A. even though B. in spite of C. despite D. in spite the fact that

11. It was still painful, ____ I went to see a doctor. A. so B. however C. but D. or 12. Lan likes oranges _____ her sister doesn’t. A. but B. as C. so D. because 13. Nam failed the final exam _____ he was lazy. A. while B. though C. because D. but 14. He’s tired _____ he stayed up late watching TV. A. and B. or C. if D. since 15. Jim can speak English _____ French fluently. A. also B. but also C. and D. so 16. _______ the traffic, I arrived on time. A. Though B. Although B. Even...
Đọc tiếp
11. It was still painful, ____ I went to see a doctor. A. so B. however C. but D. or 12. Lan likes oranges _____ her sister doesn’t. A. but B. as C. so D. because 13. Nam failed the final exam _____ he was lazy. A. while B. though C. because D. but 14. He’s tired _____ he stayed up late watching TV. A. and B. or C. if D. since 15. Jim can speak English _____ French fluently. A. also B. but also C. and D. so 16. _______ the traffic, I arrived on time. A. Though B. Although B. Even though D. In spite of 17. ______ they live near us, we can see them very often. A. So b. As C. Though D. Even 18. ______ I was really tired, I couldn’t sleep. A. If B. Although C. While D. However 19. We watched TV the whole evening ______ we had nothing better to do. A. because B. though C. so d. but 20. It’s cheap, _____ I don’t like it. A. and B. because C. so d. however11. It was still painful, ____ I went to see a doctor. A. so B. however C. but D. or 12. Lan likes oranges _____ her sister doesn’t. A. but B. as C. so D. because 13. Nam failed the final exam _____ he was lazy. A. while B. though C. because D. but 14. He’s tired _____ he stayed up late watching TV. A. and B. or C. if D. since 15. Jim can speak English _____ French fluently. A. also B. but also C. and D. so 16. _______ the traffic, I arrived on time. A. Though B. Although B. Even though D. In spite of 17. ______ they live near us, we can see them very often. A. So b. As C. Though D. Even 18. ______ I was really tired, I couldn’t sleep. A. If B. Although C. While D. However 19. We watched TV the whole evening ______ we had nothing better to do. A. because B. though C. so d. but 20. It’s cheap, _____ I don’t like it. A. and B. because C. so d. however
3
1 tháng 1 2018

Câu hỏi của Nguyễn Thị Phương Thảo - Tiếng anh lớp 7 | Học trực tuyến

1 tháng 1 2018

11. It was still painful, ____ I went to see a doctor.

A. so B. however C. but D. or

12. Lan likes oranges _____ her sister doesn’t.

A. but B. as C. so D. because

13. Nam failed the final exam _____ he was lazy.

A. while B. though C. because D. but

14. He’s tired _____ he stayed up late watching TV.

A. and B. or C. if D. since

15. Jim can speak English _____ French fluently.

A. also B. but also C. and D. so

16. _______ the traffic, I arrived on time.

A. Though B. Although B. Even though D. In spite of

17. ______ they live near us, we can see them very often.

A. So b. As C. Though D. Even

18. ______ I was really tired, I couldn’t sleep.

A. If B. Although C. While D. However

19. We watched TV the whole evening ______ we had nothing better to do.

A. because B. though C. so d. but

20. It’s cheap, _____ I don’t like it.

A. and B. because C. so d. however

Chosse the best answer to complete the sentences by circling A, B, C or D. 1. His house looks very large and beautiful. It is __________ house. A. a seven-room B. a seven-rooms C. seven room D. seven rooms 2. If you get up early, you ________ late. A. weren't B. wouldn't be C. aren't D. won't be 3. When he lived in the city, he ___________ to the theater twice a week. A. uses to go B. has gone C. used to go D. was going 4. Nobody went to the party, __________? A. does he B. do they C....
Đọc tiếp

Chosse the best answer to complete the sentences by circling A, B, C or D.
1. His house looks very large and beautiful. It is __________ house.
A. a seven-room B. a seven-rooms C. seven room D. seven rooms
2. If you get up early, you ________ late.
A. weren't B. wouldn't be C. aren't D. won't be
3. When he lived in the city, he ___________ to the theater twice a week.
A. uses to go B. has gone C. used to go D. was going
4. Nobody went to the party, __________?
A. does he B. do they C. didn't they D. did they
5. If we ________ enough time, we'll study this exercise more carefully.
A. will have B. have C. had D. would have
6. Honda motorbikes _______ in Viet Nam.
A. produce B. will produce C. are produced D. would be produced
7. We have learnt English _________ 2001.
A. for B. since C. in D.during
8. Your sister works in a foreign company, __________ she?
A. isn't B. didn't C. wasn't D. doesn't
9. _________ Friday morning, there is a meeting between 11a.m and 1p.m.
A. In B. For C. On D. At
10. Don't forget to buy me a dictionary, _________ ?
A. do you B. will you C. shall you D. don't you

2
8 tháng 6 2017

Chosse the best answer to complete the sentences by circling A, B, C or D.
1. His house looks very large and beautiful. It is __________ house.
A. a seven-room B. a seven-rooms C. seven room D. seven rooms
2. If you get up early, you ________ late.
A. weren't B. wouldn't be C. aren't D. won't be
3. When he lived in the city, he ___________ to the theater twice a week.
A. uses to go B. has gone C. used to go D. was going
4. Nobody went to the party, __________?
A. does he B. do they C. didn't they D. did they
5. If we ________ enough time, we'll study this exercise more carefully.
A. will have B. have C. had D. would have
6. Honda motorbikes _______ in Viet Nam.
A. produce B. will produce C. are produced D. would be produced
7. We have learnt English _________ 2001.
A. for B. since C. in D.during
8. Your sister works in a foreign company, __________ she?
A. isn't B. didn't C. wasn't D. doesn't
9. _________ Friday morning, there is a meeting between 11a.m and 1p.m.
A. In B. For C. On D. At
10. Don't forget to buy me a dictionary, _________ ?
A. do you B. will you C. shall you D. don't you

8 tháng 6 2017

Chose the best answer to complete the sentences by circling A, B, C or D.
1. His house looks very large and beautiful. It is __________ house.
A. a seven-room B. a seven-rooms C. seven room D. seven rooms
2. If you get up early, you ________ late.
A. weren't B. wouldn't be C. aren't D. won't be
3. When he lived in the city, he ___________ to the theater twice a week.
A. uses to go B. has gone C. used to go D. was going
4. Nobody went to the party, __________?
A. does he B. do they C. didn't they D. did they
5. If we ________ enough time, we'll study this exercise more carefully.
A. will have B. have C. had D. would have
6. Honda motorbikes _______ in Viet Nam.
A. produce B. will produce C. are produced D. would be produced
7. We have learnt English _________ 2001.
A. for B. since C. in D.during
8. Your sister works in a foreign company, __________ she?
A. isn't B. didn't C. wasn't D. doesn't
9. _________ Friday morning, there is a meeting between 11a.m and 1p.m.
A. In B. For C. On D. At
10. Don't forget to buy me a dictionary, _________ ?
A. do you B. will you C. shall you D. don't you

Mk hk chép 100% đừng hiểu lầm.limdim

A. even though B. because C. so D. since 11. _____ it was raining, I went swimming. A. So B. Because C. However D. Although 12. Ann felt ill, ____ she insisted on going to work. A. though B. so C. and D. but 13. _____ I felt tired, I went to bed early. A. Although B. So C. As D. However 14. _____ he’s got an English name, he is German. A. Although B. However C. Because D. Since 15. They decided not to go out for a meal _____ they were too tired. A. so B. because C. but D. if 16. We...
Đọc tiếp
A. even though B. because C. so D. since 11. _____ it was raining, I went swimming. A. So B. Because C. However D. Although 12. Ann felt ill, ____ she insisted on going to work. A. though B. so C. and D. but 13. _____ I felt tired, I went to bed early. A. Although B. So C. As D. However 14. _____ he’s got an English name, he is German. A. Although B. However C. Because D. Since 15. They decided not to go out for a meal _____ they were too tired. A. so B. because C. but D. if 16. We were the better team ____ we lost the match. A. so B. and C. but D. because 17. Keith decided to give up his job ___ I advised him not to A. because B. however C. although D. since 18. ______ we were in town, we often met him. A. For B. Although C. So D. When 19. She didn’t get the job ____ she had all the necessary qualifications. A. because B. although C. so D. but 20. I could not eat ____ I was very hungry. A. even though B. in spite of C. despite D. in spite the fact that Exercise 4: Choose the best answer to complete these following sentences. 1. In spite _____, the baseball game was not cancelled. A. the rain B. of the rain C. it was raining D. there was a rain 2. ___ he had enough money, he refused to buy a new car. A. In spite B. In spite of C. Despite D. Although 3. ______, he walked to the station. A. Despite being tired B. Although to be tired C. In spite being tired D. Despite tired 4. The children slept well, despite _____ A. it was noise B. the noise C. of the noise D. noisy 5. She left him __________ she still loved him. A. even if B. even though C. in spite of D. despite 6. _______ her lack of hard work, she was promoted. A. In spite B. Even though C. in spite of D. despite of 7. _______ they are brothers, they do not look like. A. Although B. Even C. Despite D. In spite of 8. I’m learning English ________ I want to get a better job. A. or B. because C. therefore D. but 9. Please do that work ________I told you yesterday. A. like B. as C. same as D. similar to 10. This boy lied to you. ________you don’t trust him anymore A. so B. but C. and D. however. 11. _______ Dad works hard all day; he always goes to bad late and gets up early. A. However B. Despite C. Although D. No matter 12. That boy wasn’t busy. _______, he refused to help his mother. A. so B. but C. and D. however. 13. ________the rain, the baseball game was not cancelled. A. In spite of B. Even though C. Although D. Despite 14. I got a job _________ my bad English. A. if B. although C. in spite of D. because
1
1 tháng 1 2018

11. _____ it was raining, I went swimming.

A. So B. Because C. However D. Although

12. Ann felt ill, ____ she insisted on going to work.

A. though B. so C. and D. but

13. _____ I felt tired, I went to bed early.

A. Although B. So C. As D. However

14. _____ he’s got an English name, he is German.

A. Although B. However C. Because D. Since

15. They decided not to go out for a meal _____ they were too tired.

A. so B. because C. but D. if

16. We were the better team ____ we lost the match.

A. so B. and C. but D. because

17. Keith decided to give up his job ___ I advised him not to

A. because B. however C. although D. since

18. ______ we were in town, we often met him.

A. For B. Although C. So D. When

19. She didn’t get the job ____ she had all the necessary qualifications.

A. because B. although C. so D. but

20. I could not eat ____ I was very hungry.

A. even though B. in spite of C. despite D. in spite the fact that

Exercise 4: Choose the best answer to complete these following sentences.

1. In spite _____, the baseball game was not cancelled.

A. the rain B. of the rain C. it was raining D. there was a rain

2. ___ he had enough money, he refused to buy a new car.

A. In spite B. In spite of C. Despite D. Although

3. ______, he walked to the station.

A. Despite being tired B. Although to be tired C. In spite being tired D. Despite tired

4. The children slept well, despite _____

A. it was noise B. the noise C. of the noise D. noisy

5. She left him __________ she still loved him.

A. even if B. even though C. in spite of D. despite

6. _______ her lack of hard work, she was promoted.

A. In spite B. Even though C. in spite of D. despite of

7. _______ they are brothers, they do not look alike.

A. Although B. Even C. Despite D. In spite of

8. I’m learning English ________ I want to get a better job.

A. or B. because C. therefore D. but

9. Please do that work ________I told you yesterday.

A. like B. as C. same as D. similar to

10. This boy lied to you. ________you don’t trust him anymore

A. so B. but C. and D. however.

11. _______ Dad works hard all day; he always goes to bad late and gets up early.

A. However B. Despite C. Although D. No matter

12. That boy wasn’t busy. _______, he refused to help his mother.

A. so B. but C. and D. however.

13. ________the rain, the baseball game was not cancelled.

A. In spite of B. Even though C. Although D. Despite 1

4. I got a job _________ my bad English.

A. if B. although C. in spite of D. because

3 tháng 1 2018

Ex 4

12, giữa dấu chấm và dấu phẩy thì phải là However nha e

30 tháng 6 2018

a) I haven t seen Gerry for/since a long time. How is he?
b) It's ages ago/since I last went to a football match.
c) I've written to Deborah last week/recently.
d) What have you been doing today/yesterday?
e) Have you eaten Italian food before/already?
f) I've been living here in/since the end of last year.
g) Actually I had dinner with Sue last night/lately.
h) I ve been trying to get in touch with David ages/for the last time.
i) Terry hasn t been to Edinburgh since/when we went there together.
j) I can t remember how long/when I ve had this watch.

30 tháng 6 2018

Underline the most suitable time expression.
a) I haven t seen Gerry for/since a long time. How is he?
b) It s ages ago/since I last went to a football match.
c) I ve written to Deborah last week/recently.
d) What have you been doing today/yesterday?
e) Have you eaten Italian food before/already?
f) I ve been living here in/since the end of last year.
g) Actually I had dinner with Sue last night/lately.
h) I ve been trying to get in touch with David for ages/for the last time.
i) Terry hasn t been to Edinburgh since/when we went there together.
j) I can t remember how long/when I ve had this watch.

1 tháng 1 2018

11. It was still painful, ____ I went to see a doctor.

A. so B. however C. but D. or

12. Lan likes oranges _____ her sister doesn’t.

A. but B. as C. so D. because

13. Nam failed the final exam _____ he was lazy.

A. while B. though C. because D. but

14. He’s tired _____ he stayed up late watching TV.

A. and B. or C. if D. since

15. Jim can speak English _____ French fluently.

A. also B. but also C. and D. so

16. _______ the traffic, I arrived on time.

A. Though B. Although B. Even though D. In spite of

17. ______ they live near us, we can see them very often.

A. So b. As C. Though D. Even

18. ______ I was really tired, I couldn’t sleep.

A. If B. Although C. While D. However

19. We watched TV the whole evening ______ we had nothing better to do.

A. because B. though C. so d. but

20. It’s cheap, _____ I don’t like it.

A. and B. because C. so d. however

1 tháng 1 2018

11. It was still painful, ____ I went to see a doctor.

A. so B. however C. but D. or

12. Lan likes oranges _____ her sister doesn’t.

A. but B. as C. so D. because

13. Nam failed the final exam _____ he was lazy.

A. while B. though C. because D. but

14. He’s tired _____ he stayed up late watching TV.

A. and B. or C. if D. since

15. Jim can speak English _____ French fluently.

A. also B. but also C. and D. so

16. _______ the traffic, I arrived on time.

A. Though B. Although B. Even though D. In spite of

17. ______ they live near us, we can see them very often.

A. So b. As C. Though D. Even

18. ______ I was really tired, I couldn’t sleep.

A. If B. Although C. While D. However

19. We watched TV the whole evening ______ we had nothing better to do.

A. because B. though C. so d. but

20. It’s cheap, _____ I don’t like it.

A. and B. because C. so d. however