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Exercise 4: Complete the sentences with because/ because of.
1. I went home early because I was feeling unwell.
2. We decided not to go out for a meal because we were simply too tired.
3. I couldn’t get to sleep because of the noise.
4.He only accepted the job because of the salary, which was very high.
5.Sarah can’t climb up the tree because of her fear of heights.
6. Because of his age, John was not hired although he had the necessary qualifications.
7. Mary came to class late because her motorbike had a puncture.
8. Sandy didn’t go to school yesterday because she was sick.
9. She went to bed early because of her tiredness.
10.I couldn’t do the test because it was too difficult.
Exercise 4: Complete the sentences with because/ because of.
1. I went home early because I was feeling unwell.
2. We decided not to go out for a meal because we were simply too tired.
3. I couldn’t get to sleep because of the noise.
4. He only accepted the job because of the salary, which was very high.
5. Sarah can’t climb up the tree because of her fear of heights.
6. Because of his age, John was not hired although he had the necessary qualifications.
7. Mary came to class late because her motorbike had a puncture.
8. Sandy didn’t go to school yesterday because she was sick.
9. She went to bed early because of her tiredness.
10. I couldn’t do the test because it was too difficult.
Điền " because, as, since, if, when hoặc so "
1/ We decided to go out to eat......because.......we had no food at home
2/ He has a very important job......so......he is particularly well - paid
3/ Can I borrow that book....when.... ..you've finished it?
4/ No one was watching the TV . ......so.........I switched the TV off
5/ ...Because.......she changed a lot, we didn't recognize her
6/ ........If.........you are ready, we can start now
7/ I'm going away for a few days. I'll phone you......when........I get back
8/ You should inform the police........because......your bicycle is stolen
9/ Matthew went to bed....because.....it was too late to go out
10/ ........If......you drive without driving license, you are breaking the law
1/ We decided to go out to eat........becausse.....we had no food at home
2/ He has a very important job......so......he is particularly well - paid
3/ Can I borrow that book......since.. ..you've finished it?
4/ No one was watching the TV . .......Becausse........I switched the TV off
5/ ......If....she changed a lot, we didn't recognize her
6/ .........If........you are ready, we can start now
7/ I'm going away for a few days. I'll phone you....when..........I get back
8/ You should inform the police.....when/if.........your bicycle is stolen
9/ Matthew went to bed.....so....it was too late to go out
10/ ........When/If......you drive without driving license, you are breaking the law
Change clauses of reas on to phrases: 1. Mary didn't go to school yesterday because she was sick. ..Because of Mary's sickness , she didn't go to school yesterday ...
2. She went to bed early because she felt tired. ..She went to bed early because of feeling tired ...
3.Ann didn't go to the circus with Betty because she had a bad cold ...Ann didn't go to the circus with Betty because of having a bad cold ..
4. John succeeded in his exam because he worked hard and methodically. ..John succeeded in his exam because of his hard and methodically work..
5. Margaret stayed home because her mother was sick. ..Margaret stayed home because of her mother 's sickness....
6. I like him because his father is kind to me. .... I like him because of his father 's kindness.
7. I can't eat these fruits because they are green. ...I can't eat these fruits because of being green..
8. I couldn’t do the test because it was difficult. .I couldn’t do the test because of its dificulty...
9. I couldn’t read the letter because it was dark. .. I couldn’t read the letter because of the darkness.
10. He came late because it rained heavily .... He came late because of the heavy rain...
Change clauses of reas on to phrases:
1. Mary didn't go to school yesterday because she was sick.
=> Mary didn't go to school yesterday because of her sickness
2. She went to bed early because she felt tired.
=> She went to bed early because of her tiredness
3.Ann didn't go to the circus with Betty because she had a bad cold
=> Ann didn't go to the circus with Betty because of her bad cold
4. John succeeded in his exam because he worked hard and methodically.
=> John succeeded in his exam because of working hard and methodically.
5. Margaret stayed home because her mother was sick.
=> Margaret stayed home because of her mother’s sickness
6. I like him because his father is kind to me.
=> Because of the kind of his father, I like him.
7. I can't eat these fruits because they are green.
=> Because of green fruits, I can't eat them.
8. I couldn’t do the test because it was difficult.
=> Because of its difficulty, I couldn't do the test .
9. I couldn’t read the letter because it was dark.
=> Because of the darkness , I couldn’t read the letter .
10. He came late because it rained heavily
=> Because of the heavy rain, He came late .
II. Complete the sentences with either BECAUSE or BECAUSE OF:
1. We postponed our trip because of the bad driving conditions.
2. Sue’s eyes were red because she had been swimming in a chlorinated pool.
3. We can’t visit the museum tomorrow because it isn’t open.
4. Jim had to give up jogging because of his sprained ankle. (mắt cá bong gân)
5. Because heavy fog at the airport, we had to stay in Boston an extra day.
6. Please walk carefully because the walkway is slippery (adj-trơn) when wet.
7. Thousands of Irish people emigrated to the United States because of the potato famine
(nạn đóikém/sự khan hiếm) in Ireland in the middle of the nineteenth century
8. My lecture notes(diễn thuyết) were incomplete because the instructor talked too fast.
9. Because it rained, we stayed home.
10. A tomato is classified(xếp loại) as a fruit, but most people consider it a vegetable because
it is prepared and eaten in the same way as lettuce(rau diếp), onions and other vegetables.
III. Complete the sentences with THOUGH(mặc dầu) or BECAUSE :
1. I put on sunglasses though it was a dark, cloudy day.
2. I put on sunglasses because the sun was bright.
3. Though she has a job, she doesn’t make enough money to support her four chidren.
4. Because she has a job, she is able to pay her rent and provide food her four children.
5. I’m going horseback riding with Judy this afternoon though I’m afraid of horse.
6. Though Tom didn’t know how to dance, he wanted to go the school dance because he felt lonely sitting and staring blankly at the TV while all of his friends were having fun together.
IV- BECAUSE + CLAUSE / SENTENCE / BECAUSE OF + NOUN / PHRASE
1. He is bad at English because he is very lazy.
- He is bad at English because of his laziness.
2. He didn’t come to class because he was ill.
- He didn’t come to class because of his illness.
3. Everyone likes and admires her because of her intelligence.
- Everyone likes and admires her because she is intelligent.
4. The flight 202 was delayed because the weather was bad.
- The flight 202 was delayed because of the bad weather.
5. He decided to accept the job because the salary was high.
- He decided to accept the job because of the high salary.
6. I didn’t come on time because it rained heavily.
- I didn’t come on time because of the heavy rain.
7. She smiles because she is very happy.
- She smiles because of her happiness.
8. They can’t miss the meeting because it is very important.
- They can’t miss the meeting because of its importance.
9. I was late for the meeting because the traffic was heavy.
- I was late for the meeting because of the heavy traffic.
10. My grandmother can’t work hard because she is very old.
- My grandmother can’t work hard because of her old age.
11. He likes her because she’s very beautiful and attractive.
- He likes her because of her beauty and atraction.
12. He didn’t go to school because he was very poor.
- He didn’t go to school because of his poorness.
13. He broke the glass because he was careless.
- He broke the glass because of his carelessness.
14. He left school because his life was hard.
- He left school because of his hard life.
15. My little brother can’t chew well because of his toothache.
- My little brother can’t chew well because he has a toothache.
16. I can’t play basketball because of my height.
- I can’t play basketball because I'm heavy.
17. We can’t swim in this part of the river because of highly polluted water.
- We can’t swim in this part of the river because the water is highly polluted.
18. We spent the whole day in the garden because of lovely weather.
- We spent the whole day in the garden because the weather was lovely.
19. Two cars can’t pass each other because of the narrow road.
- Two cars can’t pass each other because the road is narrow.
20. Nobody can do this test because of its difficulty.
- Nobody can do this test because it's difficult.
Ex1: Rewrite the following sentences so that the second sentence means exactly the same as the sentence before it:
1. Although she was not beautiful, she took part in a beauty contest.
-> She wasn't beautiful but she took part in a beauty contest.
2. It was raining, so we decided to postpone our camping.
-> Since it was raining, we decided to postpone our camping.
3. She wants them to sing a song.
-> She suggests they should singing a song.
4. She couldn't come to class because of her illness.
-> As she was ill, she couldn't come to class.
5. She couldn't join us because she was busy.
-> She was busy, so she couldn't join us.
6. Because of having a lot of difficulties, she managed to sell the house.
-> As she had a lot of difficulties, she managed to sell house.
7. Shall we go to the cinema tonight ?
-> What about going to the cinema tonight?
8. They requested us to leave the place at once.
-> They suggested we leaving the place at once.
9. I stay at home because it is raining.
-> As it is raining, I stay at home.
10. She was tired and therefore wanted to go home.
-> She wanted to go home because of tiring
Ex2: Complete the sentences using and / but / so / or / because:
1. I like Linda very much ..but... I don't like her brother.
2. I'd like to live somewhere by the Mediterranean ..because... I love the Sun.
3. We enjoy learning English ....so..... we find it very difficult.
4. I can't go out tonight ....because..... I am short of money.
5. She went to the theatre last night ....and.... had a wonderful time.
6. They can't walk home ......because...... it is very dark.
7. Would you like to drink milk .....or....coffee ?
8. It's raining heavily, ....so.... I can't go out.
9. He did the tests well ...and...I did, too.
10. His life was hard ....but... he studied very well.
Ex3: Use connectives to combine each pair of the sentences:
1. He is very tired. He has to finish his homework. (but)
-> He is very tired but he has to finish his homework.
2. The room is very small. It's quite comfortable. (although)
-> Althought the room is small, it's quite comfortable.
3. They went for a walk. The weather was bad. (but)
-> The weather was bad but they went for a walk.
4. Our teacher didn't arrive late. The traffic was terrible. (although)
-> Althought the trafic was terrible, our teacher didn't arive late.
5. I like watching TV. I like going to the cinema. (and)
-> I like watching TV and going to the cinema.
6. She wears glasses. She wants to see better. (because)
-> She wears glasses because she wants to see better.
Study well. 
1. He is very tired. He has to finish his homework. (but)
-> He is very tired but he has to finish his homework.
2. The room is very small. It's quite comfortable. (although)
->Although the room is very small, It's quite comfortable.
3. They went for a walk. The weather was bad. (but)
-> The weather was bad but they went for a walk.
4. Our teacher didn't arrive late. The traffic was terrible. (although)
-> Although the traffic was terrible, our teacher didn't arrive late.
5. I like watching TV. I like going to the cinema. (and)
-> I like watching TV and going to the cinema.
6. She wears glasses. She wants to see better. (because)
-> She wears glasses because she wants to see better.
FILL IN THE GAPS WITH CAN ( N'T) / COULD(N'T) BE ABLE TO
1 she was very strong . she ..could.. swim all day and dance all night .
2 the car fell into the river . the workers ..could.. get it out but the driver was dead.
3 when I was younger I ...could..... stay up all night and not get tired
4 we had no keys , so we ....could negative.... open the door . ( negative )
5 I looked very carefully and I .....could.. see a car in the distance .
6 a boy fell into the sea but luckily we .....could... help him.
7 my son will never ...be able ... to play the piano.
8 at four years old he ...could..... read quite well.
9 I am sorry I ....won't be able to..... come to the meeting next week .
10 before he had the car accident , he ....could..... run very fast
11 I..........could........... remember his name at the time because we met only one time.
12 diana ........can play............. the piano now .
13 she will ....be able to.....come on holiday next month if her parents giver her permission
14 they ...couldn't.......... go . they weather was too bad.
15 kemal ...........couldn't......... afford this weather was too bad
1. Anna and Susan( make).were making..dinner when Martin ( arrive).arrived.home
2. The light ( go).went..out while we (have)..were having. dinner
3. It was late, so we decided (take).to take..taxi
4. We were in a hungry, so I suggested (have)..having.dinner early
5. When I'm tired, I enjoy (watch)..watching.television.
6. Would you like (come).to come..to dinner on Friday
7. Her stopped (talk).talking..because the teacher came to class
8. Don't forget (turn off).to turn off..the lights before (go).going.out
9. He adores.taking..(take) photos
10. It is very dangerous..to drive.(drive) fast in a crowded ar
Give the correct form of the verbs in the brackets:
1. Anna and Susan( make).were making..dinner when Martin ( arrive)..arrived.home
2. The light ( go)..went.out while we (have)..were having. dinner
3. It was late, so we decided (take).taking ..taxi
4. We were in a hungry, so I suggested (have).to have..dinner early
5. When I'm tired, I enjoy (watch)..watching .television.
6. Would you like (come).to come ..to dinner on Friday
7. Her stopped (talk)..talking .because the teacher came to class
8. Don't forget (turn off)..to turn off .the lights before (go)..going.out
9. He adores..taking .(take) photos
10. It is very dangerous.to drive ..(drive) fast in a crowded ar
1. Samuel is fairly tall, but ha can't reach the ceiling
Although Samuel is fairly tall, he can't reach the ceiling.
2. Jenifer went to the dentist because she had a toothache.
Because of a toothache, Jenifer went to the dentist.
3. Red a bright colour but cats can't not see it
Even though red is a bright colour, cats can't not see it.
4. Carol can outside to see what was happening although she wasn't wearing any shoes.
Despite not wearing any shoes, Carol ran outside to see what was happening
5. Although he took a taxi, Bill still arrived late for the concert.
In spite of the fact that Bill had taken a taxi, he still arrived late for the concert.
6. In spite of his age, Mr.Benson runs four miles before breakfast.
Although Mr. Benson is very old, he runs four miles before breakfast.
7. Because of the rough sea, the ferry couldn't sail.
Becaus the sea was rough, the ferry couldn't sail.
8. There were a lot of accidents because of the icy roads.
Because the road were icy, there were a lot of accidents.
9. Although he had a good salary, he was unhappy in his life.
In spite of a good salary, he was unhappy in his life.
10. Although his book was successful, he decided not to write any more.
In spite of his successful book, he decided not to write any more.
11. In spite of his suffering from a bab cold, william still went to school.
Although William suffered from a bab cold, he still went to school.
chọn because hoặc because of rồi điền vào trỗ trống
1. I went home early ____because____ I was feeling unwell
2. we decided not to go out for a meal ____because_____ we were simply too tired
3. I coulden't get to seep __because of_____ the noise
4. he only accepted the job ____because of_____ the salary , which was very high
5. sarah can't climb up the tree ____because of_____ her fear of heights
6. ______Because of____ his age , john was not hired ____although_______ he had the necessary qualifications
7. mary came to class late _____because ___ her motorbike had a puncture
Chọn because hoặc because là sao ?