II. Choose the best answer among A, B, C or D that best completes each sentences. 1. He was born in English, but his family .......... to the USA when he was only ten years old. A. delivered B. lift...

G

G.Dr

26 tháng 9 2018

II. Choose the best answer among A, B, C or D that best completes each sentences. 1. He was born in English, but his family .......... to the USA when he was only ten years old. A. delivered B. lifted C. affected D. emigrated 2. Does he hear anything? - No, he doesn't. He's ............ A. dumb B. deaf C. mute D. blind 3. You can find her address in the .............. on the table over there. A. mobile B. textbook C. directory D. dictionary 4. The shop .......... did not want to serve...

Đọc tiếp

II. Choose the best answer among A, B, C or D that best completes each sentences.

1. He was born in English, but his family .......... to the USA when he was only ten years old.

A. delivered B. lifted C. affected D. emigrated

2. Does he hear anything? - No, he doesn't. He's ............

A. dumb B. deaf C. mute D. blind

3. You can find her address in the .............. on the table over there.

A. mobile B. textbook C. directory D. dictionary

4. The shop .......... did not want to serve that impolite customer.

A. seller B. assistant C. patient D. partner

5. She .......... many of her old friends to her birthday party on Saturday.

A. invited B. left C. conducted D. made

6. Many people don't like to ........... experiments on animals.

A. arrange B. conduct C. transmit D. assist

7. The sports event was ......... live by satellite over country.

A. conducted B. assisted C. tranmistted D. arranged

8. A man named Peter left a ......... for you at the hotel.

A. message B. quiz C. leave D. phone call

9. He .......... the early bus to work this morning.

A. spent B. collected C. missed D. brought

10. Can he play badmintion? - Yes, he can. He bought two new ....... yesterday.

A. speeches B. tents C. message D. rackets

11. What is the ........... between Ha Noi and Ho Chi Minh city?

A. lenght B. distance C. width D. depth

12. They are .......... some arrangements to play chess.

A. make B. made C. making to D. going to make

13. She ........ stay on her farm for a week.

A. does not going B. is going not C. is not going to D. is not going

14. Mai loves children. She ........ a teacher when she is old enough.

A. is B. was C. is going to become D. was going

15. The members.......... him at the meeting tomorrow.

A. meet B. met C. meeting D. are going to meet

16. Our parents ........ us some toys at Chrismas.

A. buy B. are going to buy C. buy to D. bought

17. My brother and I .......... e - mail to each other every day.

A. sending B. send C. sends D. is sending

18. He stared experimenting with ways of transmitting speech ........ a long distance.

A. over B. in C. on D. above

19. Hello. I'm Peter. Can I speak .......... Paul, please.

A. of B. to C. on D. at

#Tiếng anh lớp 8

2

NN

Ngố ngây ngô

26 tháng 9 2018

1. He was born in English, but his family .......... to the USA when he was only ten years old.

A. delivered B. lifted C. affected D. emigrated

2. Does he hear anything? - No, he doesn't. He's ............

A. dumb B. deaf C. mute D. blind

3. You can find her address in the .............. on the table over there.

A. mobile B. textbook C. directory D. dictionary

4. The shop .......... did not want to serve that impolite customer.

A. seller B. assistant C. patient D. partner

5. She .......... many of her old friends to her birthday party on Saturday.

A. invited B. left C. conducted D. made

6. Many people don't like to ........... experiments on animals.

A. arrange B. conduct C. transmit D. assist

7. The sports event was ......... live by satellite over country.

A. conducted B. assisted C. tranmistted D. arranged

8. A man named Peter left a ......... for you at the hotel.

A. message B. quiz C. leave D. phone call

9. He .......... the early bus to work this morning.

A. spent B. collected C. missed D. brought

10. Can he play badmintion? - Yes, he can. He bought two new ....... yesterday.

A. speeches B. tents C. message D. rackets

Đúng(0)

NT

Nguyễn Thị Ngọc Thơ

26 tháng 9 2018

II. Choose the best answer among A, B, C or D that best completes each sentences.

1. He was born in English, but his family .......... to the USA when he was only ten years old.

A. delivered B. lifted C. affected D. emigrated

2. Does he hear anything? - No, he doesn't. He's ............

A. dumb B. deaf C. mute D. blind

3. You can find her address in the .............. on the table over there.

A. mobile B. textbook C. directory D. dictionary

4. The shop .......... did not want to serve that impolite customer.

A. seller B. assistant C. patient D. partner

5. She .......... many of her old friends to her birthday party on Saturday.

A. invited B. left C. conducted D. made

6. Many people don't like to ........... experiments on animals.

A. arrange B. conduct C. transmit D. assist

7. The sports event was ......... live by satellite over country.

A. conducted B. assisted C. tranmistted D. arranged

8. A man named Peter left a ......... for you at the hotel.

A. message B. quiz C. leave D. phone call

9. He .......... the early bus to work this morning.

A. spent B. collected C. missed D. brought

10. Can he play badmintion? - Yes, he can. He bought two new ....... yesterday.

A. speeches B. tents C. message D. rackets

11. What is the ........... between Ha Noi and Ho Chi Minh city?

A. lenght B. distance C. width D. depth

12. They are .......... some arrangements to play chess.

A. make B. made C. making to D. going to make

13. She ........ stay on her farm for a week.

A. does not going B. is going not C. is not going to D. is not going

14. Mai loves children. She ........ a teacher when she is old enough.

A. is B. was C. is going to become D. was going

15. The members.......... him at the meeting tomorrow.

A. meet B. met C. meeting D. are going to meet

16. Our parents ........ us some toys at Chrismas.

A. buy B. are going to buy C. buy to D. bought

17. My brother and I .......... e - mail to each other every day.

A. sending B. send C. sends D. is sending

18. He stared experimenting with ways of transmitting speech ........ a long distance.

A. over B. in C. on D. above

19. Hello. I'm Peter. Can I speak .......... Paul, please.

A. of B. to C. on D. at

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NM

nè Moon

16 tháng 10 2021

Choose the best answer in each sentence.1. The children are old enough to look after _____. A. ourselvesB. themselvesC. himselfD. herself2. He was born in England, but his family emigrated _____ the USA when he was ten. A. toB. forC. inD. with3. We usually use _____ to cut paper. A. scissorsB. beadsC. saucepanD. steamer4. A man named Robinson left a _____ for you at the hotel. A. leaveB. phone callC. messageD. quiz5. Children _____ drink milk every day. It's good for them. A. oughtB. mustC....

Đọc tiếp

#Tiếng anh lớp 8

1

DT

Đỗ Thanh Hải

CTVVIP

16 tháng 10 2021

1. The children are old enough to look after _____.

A. ourselves

B. themselves

C. himself

D. herself

2. He was born in England, but his family emigrated _____ the USA when he was ten.

A. to

B. for

C. in

D. with

3. We usually use _____ to cut paper.

A. scissors

B. beads

C. saucepan

D. steamer

4. A man named Robinson left a _____ for you at the hotel.

A. leave

B. phone call

C. message

D. quiz

5. Children _____ drink milk every day. It's good for them.

A. ought

B. must

C. don't have to

D. must not

6. Mai is lovely with _____ nose and thick eyebrows.

A. nice long straight

B. straight nice long

C. straight long nice

D. long straight nice

7. Hoa _____, sunbathes and goes sightseeing with her friends.

A. will swim

B. swam

C. swims

D. is swimming

8. _____ were you absent from school yesterday? - Because I was sick.

A. When

B. What

C. How

D. Why

9. Hoa is not _____, so Lan wanted Ba to leave a message for Hoa.

A. outside

B. inside

C. upstairs

D. downstairs

10. Nga _____ in Ha Noi, but now she doesn't any more.

A. was used to live

B. used to live

C. used to living

D. is used to live.

11. She has terrible hands. What _____ with her hands?

A. will she do

B. she doing

C. does she

D. is she going to do

12. The room is _____ for our class to gather.

A. not small enough

B. enough small

C. not big enough

D. not enough big

Đúng(1)

LQ

Lê Quỳnh Anh

13 tháng 2 2018

Choose A, B, C, or D that best completes each sentence.

He started his __________ when he was 20 years old.

A. congratulation

B. athlete

C. career

D. achievement

#Tiếng anh thí điểm lớp 6

1

DH

Dương Hoàn Anh

13 tháng 2 2018

congratulation (n): sự chúc mừng

athlete (n): vận động viên

career (n): sự nghiệp

achievement (n): thành tích

=> He started his career when he was 20 years old.

Tạm dịch: Anh bắt đầu sự nghiệp khi anh 20 tuổi.

Đáp án cần chọn là: C

Đúng(0)

EC

Edogawa Conan

7 tháng 10 2017

he was born in england , but his family ...to the usa when he was only ten years old

2,does he hear anything? no he doesn't . he's ..

#Tiếng anh lớp 8

1

TD

Tử Đằng

8 tháng 10 2017

he was born in england , but his family .MOVED..to the usa when he was only ten years old

2,does he hear anything? no he doesn't . he's .DEAF.

Đúng(0)

HL

Hien le Thi

15 tháng 8 2021

A. Choose the best answer among A, B, C or D to complete each sentence. 1. He was writing to his friend when he __________a noise. A. was hearing B. heard C. had heard D. hears2. I __________many people since I came here in June. A. met B. has met C. was meeting D. have met3. We __________ maths at this time last week. A. were learning B. are...

Đọc tiếp

A. Choose the best answer among A, B, C or D to complete each sentence.

1. He was writing to his friend when he __________a noise.

A. was hearing B. heard C. had heard D. hears

2. I __________many people since I came here in June.

A. met B. has met C. was meeting D. have met

3. We __________ maths at this time last week.

A. were learning B. are learning C. was learning D. learnt

4. She was playing games while he __________a football match.

A. watched B. watches C. was watching D. watching

5. She __________to Ho Chi Minh city last year.

A. goes B. has gone C. go D. went

6. Since we came here, we ______ a lot of acquaintances.

A. have had B. had C. have D. are having

7. __________he playing football now?

A. Will B. Does C. Was D. Is

8. Every morning, I often sit in my garden and____ to my nightingale sing.

A. listening B. listen C. listened D. listens

9. She __________school when she was six.

A. start B. started C. has started D. are starting

10. I. __________TV when the telephone rang.

A. watched B. was watching C. are watching D. have watched

11. She__________ lunch by the time we arrived.

A. had finished B. finished C. have finished D. finishing

12. This record-shop__________ be a book-shop a few years ago.

A. used to B. use C. used D. used

13. I couldn't come to the party because I __________go to work.

A. have B. had to C. have got D. had

14. Yesterday, I _______ for work late because I _______ to set my alarm.

A. had left / forgot B. was leaving / was forgetting

C. left / had forgot D. had been leaving / would forget

15. By the time we ____ to the train station, Susan _____ for us for more than two hours.

A. will get / has been waiting B. got / was waiting

C. got / had been waiting D. get / will wait

#Tiếng anh lớp 8

1

KY

Khinh Yên

15 tháng 8 2021

A. Choose the best answer among A, B, C or D to complete each sentence.

1. He was writing to his friend when he __________a noise.

A. was hearing B. heard C. had heard D. hears

2. I __________many people since I came here in June.

A. met B. has met C. was meeting D. have met

3. We __________ maths at this time last week.

A. were learning B. are learning C. was learning D. learnt

4. She was playing games while he __________a football match.

A. watched B. watches C. was watching D. watching

5. She __________to Ho Chi Minh city last year.

A. goes B. has gone C. go D. went

6. Since we came here, we ______ a lot of acquaintances.

A. have had B. had C. have D. are having

7. __________he playing football now?

A. Will B. Does C. Was D. Is

8. Every morning, I often sit in my garden and____ to my nightingale sing.

A. listening B. listen C. listened D. listens

9. She __________school when she was six.

A. start B. started C. has started D. are starting

10. I. __________TV when the telephone rang.

A. watched B. was watching C. are watching D. have watched

11. She__________ lunch by the time we arrived.

A. had finished B. finished C. have finished D. finishing

12. This record-shop__________ be a book-shop a few years ago.

A. used to B. use C. used D. used

13. I couldn't come to the party because I __________go to work.

A. have B. had to C. have got D. had

14. Yesterday, I _______ for work late because I _______ to set my alarm.

A. had left / forgot B. was leaving / was forgetting

C. left / had forgot D. had been leaving / would forget

15. By the time we ____ to the train station, Susan _____ for us for more than two hours.

A. will get / has been waiting B. got / was waiting

C. got / had been waiting D. get / will wait

Đúng(0)

DL

Dung Lethi

10 tháng 4 2022

choose the one word or phrase a b c d that best fits the space in each sentences 1 he was a great soccer player. he ten medals when he was young A .won B. wins C. has won D . is winning

#Tiếng anh lớp 6

0

LQ

Lê Quỳnh Anh

23 tháng 8 2018

Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questions. He has been studying English for many years. He should have realized sooner that his grammar was incorrect. A. He has been studying English for many years to have soon realized that his grammar was incorrect. B. He has been studying English for many years that he should have realized sooner that his grammar was incorrect. C. No sooner has he been...

Đọc tiếp

#Mẫu giáo

1

DH

Dương Hoàn Anh

23 tháng 8 2018

Chọn D

Đúng(0)

HY

Hoàng Yến Chi

23 tháng 10 2021

II. Choose the option (A, B, or C) that best completes each numbered blank in the passage.When he was young, Jim loved (6)__________ mysteries and he always dreamed (7)__________ becoming a detective when he (8)__________ up. Once his neighbors' cat went (9)__________. Jim helped them (10)__________ the neighborhood for clues and found the cat was hiding inside an old warehouse.6. A. solve B. to solve C....

Đọc tiếp

#Tiếng anh lớp 6

1

PN

Phúc Nguyên

23 tháng 10 2021

6.C

7.A

8.D

9.C

10.D

Đúng(1)

XT

Xa Thuỳ

18 tháng 9 2021

B. Read through the text and choose one answer for each question Thomas A. Edison was born in Milan, Ohio, on February 11, 1847. His family moved to Port Huron, Michigan, when he was seven years old. Surprisingly, he attended school for only two months. His mother, a former teacher, taught him a few things, but Thomas was mostly self-educated. His natural curiosity led him to start experimenting at a young age with electrical and mechanical things at home. When he was 12 years old, he got his...

Đọc tiếp

B. Read through the text and choose one answer for each question Thomas A. Edison was born in Milan, Ohio, on February 11, 1847. His family moved to Port Huron, Michigan, when he was seven years old. Surprisingly, he attended school for only two months. His mother, a former teacher, taught him a few things, but Thomas was mostly self-educated. His natural curiosity led him to start experimenting at a young age with electrical and mechanical things at home. When he was 12 years old, he got his first job. He became a newsboy on a train that ran between Port Huron and Detroit. He set up a laboratory in a baggage care of the train so that he could continue his experiments in his spare time. Unfortunately, his first work experience did not end well. Thomas was fired when he accidentally set fire to the floor of the baggage car. Thomas then worked for five years as a telegraph operator, but he continued to spend much of his time on the job conducting experiments. He got his first patent in 1868 for a vote recorder run by electricity. However, the vote recorder was not a success. In 1870, he sold another invention, a stock-ticker, for $40,000. A stock-ticker is a machine that automatically prints stock prices on a tape. He was then able to build his first shop in Newark, New Jersey. Thomas Edison was totally deaf in one ear and hard of hearing in the other, but thought of his deafness as a blessing in many ways. It kept conversations short, so that he could have more time for work. He called himself a "two-shift man" because he worked 16 out of every 24 hours. Sometimes he worked so intensely that his wife had to remind him to sleep and eat. Thomas Edison died at the age of 84 on October 18, 1931, at his estate in West Orange, New Jersey. He left numerous inventions that improved the quality of life all over the world. 1. When did he move to Michigan? 2 điểm For two months In 1847 At the age of seven Seven years ago. 2. What was his mother’s job? 2 điểm A housewife A teacher A farmer A driver 3. Where did he work in his first job? 2 điểm At home At a laboratory At a library On a train 4. He got …………….…… from selling his invention, a stock-ticker. 2 điểm $40,000 £40,000 €40,000 nothing 5. Which sentence is TRUE about Thomas? 2 điểm He was totally deaf in both ears. He started working at the age of twelve. Thomas was born in England. He went to school for all his childhood.

#Tiếng anh lớp 9

0

H

HoàngIsChill

25 tháng 7 2021

I. Choose the best answer among a, b, c or d that best completes each sentence.1. When I was at the primary school, my grandmother _____ me to school every day.a. takes b. is taking c. used to take d. was taking2. I wish I earned more money, but in fact I _____.a. don’t b. did c. was d. didn’t3. “Have you ever been to Ha Noi,...

Đọc tiếp

I. Choose the best answer among a, b, c or d that best completes each sentence.

1. When I was at the primary school, my grandmother _____ me to school every day.

a. takes b. is taking c. used to take d. was taking

2. I wish I earned more money, but in fact I _____.

a. don’t b. did c. was d. didn’t

3. “Have you ever been to Ha Noi, Linh?” ~ “Yes, I _____ there last summer.”

a. was b. were c. have been d. has been

4. He never drinks beer. He _____ drinking beer.

a. used b. isn’t used to c. used to d. isn’t used for

5. Wear a helmet when riding a motorbike. Helmets are used _____ our head.

a. to protect b. protect c. protecting d. protected

6. “Why _____ you buy so many lottery tickets?” ~ “I wish I _____ enough money to help my parents.”

a. do / have b. do / had c. did / have d. did / had

7. “Do you play any sport, Mai?” ~ “Well, I used to _____ soccer when I _____ at high school.”

a. playing / am b. played / was c. play / am d. play / was

8. I _____ I didn’t have to get up early.

a. want b. hope c. wish d. expect

9. “What _____ when she was 10 years old?” ~ “Her mother said she could swim very well.”

a. did Mary use to do b. has Mary done

c. was Mary doing d. does Mary do

10. Miss White is a nurse. She _____ working at night.

a. used to b. uses to c. is used to d. has used to

#Tiếng anh lớp 9

2

KY

Khinh Yên

25 tháng 7 2021

I. Choose the best answer among a, b, c or d that best completes each sentence.

1. When I was at the primary school, my grandmother _____ me to school every day.

a. takes b. is taking c. used to take d. was taking

2. I wish I earned more money, but in fact I _____.

a. don’t b. did c. was d. didn’t

3. “Have you ever been to Ha Noi, Linh?” ~ “Yes, I _____ there last summer.”

a. was b. were c. have been d. has been

4. He never drinks beer. He _____ drinking beer.

a. used b. isn’t used to c. used to d. isn’t used for

5. Wear a helmet when riding a motorbike. Helmets are used _____ our head.

a. to protect b. protect c. protecting d. protected

6. “Why _____ you buy so many lottery tickets?” ~ “I wish I _____ enough money to help my parents.”

a. do / have b. do / had c. did / have d. did / had

7. “Do you play any sport, Mai?” ~ “Well, I used to _____ soccer when I _____ at high school.”

a. playing / am b. played / was c. play / am d. play / was

8. I _____ I didn’t have to get up early.

a. want b. hope c. wish d. expect

9. “What _____ when she was 10 years old?” ~ “Her mother said she could swim very well.”

a. did Mary use to do b. has Mary done

c. was Mary doing d. does Mary do

10. Miss White is a nurse. She _____ working at night.

a. used to b. uses to c. is used to d. has used to

Đúng(3)

DT

Đỗ Thanh Hải

CTVVIP

25 tháng 7 2021

1 C

2 A

3 C

4 B

5 A

6 B

7 D

8 C

9 A

10 A

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B

_Banhdayyy_

15 tháng 9 2021

PRESENT AND PAST TENSESA. Choose the best answer among A, B, C or D to complete each sentence.1. He was writing to his friend when he __________a noise.A. was hearing B. heard C. had heard D. hears2. I __________many people since I came here in June.A. met B. has met C. was meeting D. have met3. We __________ Maths at this time last week.A. were learning B. are learning C. was learning D. learnt4. She was playing games while he...

Đọc tiếp

PRESENT AND PAST TENSES

A. Choose the best answer among A, B, C or D to complete each sentence.

1. He was writing to his friend when he __________a noise.

A. was hearing B. heard C. had heard D. hears

2. I __________many people since I came here in June.

A. met B. has met C. was meeting D. have met

3. We __________ Maths at this time last week.

A. were learning B. are learning C. was learning D. learnt

4. She was playing games while he __________a football match.

A. watched B. watches C. was watching D. watching

5. She __________to Ho Chi Minh city last year.

A. goes B. has gone C. go D. went

6. Since we came here, we ______ a lot of acquaintances.

A. have had B. had C. have D. are having

7. __________he playing football now?

A. Will B. Does C. Was D. Is

8. Every morning, I often sit in my garden and____ to my nightingale sing.

A. listening B. listen C. listened D. listens

9. She __________school when she was six.

A. startB. startedC. has started D. are starting

10. I. __________TV when the telephone rang.

A. watched B. was watchingC. are watching D. have watched

11. She__________ lunch by the time we arrived.

A. had finished B. finished C. have finished D. finishing

12. This record-shop__________ be a book-shop a few years ago.

A. used toB. useC. used D. used

13. I couldn't come to the party because I __________go to work.

A. have B. had to C. have got D. had

14. Yesterday, I _______ for work late because I _______ to set my alarm.

A. had left / forgot B. was leaving / was forgetting

C. left / had forgot D. had been leaving / would forget

15. By the time we ____ to the train station, Susan _____ for us for more than two hours.

A. will get / has been waiting B. got / was waiting

C. got / had been waiting D. get / will wait

16. While her brother was in the army, Sarah ___________ to him twice a week.

A. was writingB. wroteC. has written D. had written

17. The Titanic _______ the Atlantic when it _______ an iceberg.

A. was crossing / struck B. had crossed / was striking

C. crossed / had struck D. is crossing / strikes

18. In the 19th century, it _______ two or three months to cross North America by covered wagon.

A. took B. had taken C. had taken D. was taking

19. Last night at this time, they ____ the same thing. She ______ and he _________ the Newspaper. A. are not doing / is cooking / is reading B. were not doing / was cooking / was reading C. was not doing / has cooked / is reading D. had not done / was cooking /read 20. When I _____ home last night, I ____that Jane ______ a beautiful candlelight dinner. A. had arrived / discovered / prepared B. was arriving / had discovered / was preparing C. have arrived / was discovering / had prepared D. arrived / discover

#Tiếng anh lớp 9

1

DT

Đỗ Thanh Hải

CTVVIP

15 tháng 9 2021

A. Choose the best answer among A, B, C or D to complete each sentence.

1. He was writing to his friend when he __________a noise.

A. was hearing B. heard C. had heard D. hears

2. I __________many people since I came here in June.

A. met B. has met C. was meeting D. have met

3. We __________ Maths at this time last week.

A. were learning B. are learning C. was learning D. learnt

4. She was playing games while he __________a football match.

A. watched B. watches C. was watching D. watching

5. She __________to Ho Chi Minh city last year.

A. goes B. has gone C. go D. went

6. Since we came here, we ______ a lot of acquaintances.

A. have had B. had C. have D. are having

7. __________he playing football now?

A. Will B. Does C. Was  D. Is

8. Every morning, I often sit in my garden and____ to my nightingale sing.

A. listening B. listen C. listened D. listens

9. She __________school when she was six.

A. startB. startedC. has started D. are starting

10. I. __________TV when the telephone rang.

A. watched B. was watchingC. are watching D. have watched

11. She__________ lunch by the time we arrived.

A. had finished B. finished C. have finished D. finishing

12. This record-shop__________ be a book-shop a few years ago.

A. used toB. useC. used D. used

13. I couldn't come to the party because I __________go to work.

A. have B. had to C. have got D. had

14. Yesterday, I _______ for work late because I _______ to set my alarm.

A. had left / forgot B. was leaving / was forgetting

C. left / had forgot D. had been leaving / would forget

15. By the time we ____ to the train station, Susan _____ for us for more than two hours.

A. will get / has been waiting B. got / was waiting

C. got / had been waiting D. get / will wait

16. While her brother was in the army, Sarah ___________ to him twice a week.

A. was writingB. wroteC. has written D. had written

17. The Titanic _______ the Atlantic when it _______ an iceberg.

A. was crossing / struck B. had crossed / was striking

C. crossed / had struck D. is crossing / strikes

18. In the 19th century, it _______ two or three months to cross North America by covered wagon.

A. took B. had taken C. had taken D. was taking

19. Last night at this time, they ____ the same thing. She ______ and he _________ the Newspaper.

A. are not doing / is cooking / is reading

B. were not doing / was cooking / was reading

C. was not doing / has cooked / is reading

D. had not done / was cooking /read

20. When I _____ home last night, I ____that Jane ______ a beautiful candlelight dinner.

A. had arrived / discovered / prepared

B. was arriving / had discovered / was preparing

C. have arrived / was discovering / had prepared

D. arrived / discover

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