25. Since Kevin has failed many times, he disappointed.

Due to………………………………………………………………………

26. because I had not eaten for 24 hours. I was very hungry.

Due to………………………………………………………………………

27. He ate all the fruits as The fruits were ripe.

Due to ………………………………………………………………………

28. Since He hadn't finished the letter, He didn't go to sleep.

Because of ………………………………………………………………………

29. He is dismissed since He was late for the work very often.

Due to………………………………………………………………………

30. Because He drove too fast, He caused a serious accident.

Because of………………………………………………………………………

5. Because of the civil War, women took over business for their absent husbands.

As ………………………………………………………………………

18. Maria couldn’t return home because of losing all her money.

as……………………………………………………………………

19. Because of my friend’s absence, I have to copy the lesson for him.

because………………………………………………………………………

15. Governments advise giving up smoking because of its harm for health.

since…………………………………………………………………

 Giúp e với ạ , e cảm ơn ạ 

rewrite the sentences with BECAUSE OF

1. She can not work hard because she is very old

2. He likes her because she is very beautiful

3. He couldn't go to school because he was very poor

4. I can't buy this bike because I don't have enough money

5. He broke the vase because he was careless

6. He failed the exam because he didn't learn the lessons carefully

7. We can't go for a walk because it rains heavily

8. He left school because his life was hard

9. She was very happy because she was given a new bike

10. I went to bad early because I felt tired

Mixed conditionals

Rewrite these sentences using “if” structure
1. She is watching TV now because she is free.
2. They didn’t come to the party, so they didn’t know what happened.
3. I am very lazy, so I haven’t done my homework.
4. She didn’t answer the phone because she was having a shower then.
5. He has no money left because he has bought a new car.
6. He was fired last week, so he is not working now.
7. She is angry with me because I didn’t come to her party last night.
8. That woman is very happy because her son has won the first prize.
9. I didn’t take his advice, so I feel sorry now.
10. My students are not paying attention, so I can’t teach them.
11. I am learning English hard because I want to study overseas.
12. She is reading that book because it is so interesting.
13. His mum is out, so he is cooking.
14. The man hit a tree because he was talking on the phone at that time.
15. Many students didn’t learn hard at university, so they can’t find a job.
16. My English is not good because I didn’t learn hard when I had a chance.
17. The teacher is sad because many students haven’t done their homework.
18. The house is empty because everyone has gone.
19. I was playing games because I had nothing to do.
20. They didn’t understand each other, so they were arguing.
21. It was raining. That’s the only reason I didn’t take the children to the beach.
22. They were driving so quickly; that’s why the accident was so terrible.

Bài tập thực hành chuyển đổi because / because of / although / in spite of / despite …

1. Although she was ill, she went to school.

- In spite of....................................................................................................................................

2. He didn’t come because he was sick.

- He didn’t come because of.........................................................................................................

3. She didn’t eat much though she was hungry.

- Despite........................................................................................................................................

4. The train was late because the fog was thick.

- Because of..................................................................................................................................

5. I accepted the job although the salary was low.

- In spite of....................................................................................................................................

6. The plane couldn’t take off because the weather was bad.

- Because of..................................................................................................................................

7. She stayed at home because her mother was sick.

- Because of..................................................................................................................................

8. He didn’t leave school even though his family was poor.

- Despite........................................................................................................................................

9. All the teachers love him because his conduct is good.

- Because of..................................................................................................................................

10. The flight was not delayed though it was foggy.

- Despite........................................................................................................................................

11. We couldn’t study because it was noisy.

- Because of..................................................................................................................................

12. Even though it was cold, I went swimming.

- In spite of....................................................................................................................................

13. These students didn’t arrive late although there was the traffic jam.

- Despite........................................................................................................................................

14. Mary can’t sleep because there was the noise.

- Because of..................................................................................................................................

15. She didn’t get ill though she worked very hard.

- In spite of....................................................................................................................................

16. His wife usually gives him a list because he often forgets things.

- Because of..................................................................................................................................

17. Though he had much experience, he didn’t succeed in repairing the machine.

- Despite........................................................................................................................................

18. Though Kid has failed so often, he has never been disappointed.

- Despite........................................................................................................................................

19. Though I hadn’t eaten anything for 24 hours, I didn’t feel hungry.

- In spite of....................................................................................................................................

20. He ate all the fruits though they were green.

- He ate all the fruits despite.........................................................................................................

21. He left school because his life was hard.

- Because of .................................................................................................................................

22. Although he hadn’t finished the paper, he went to sleep.

- Despite........................................................................................................................................

23. He is dismissed because of being late for work often.

- Because.......................................................................................................................................

24. Because of driving too fast, he caused a serious accident.

- Because.......................................................................................................................................

25. Although the streets are narrow, many people drive cars in this city.

- In spite of....................................................................................................................................

26. Because he got up early, he wasn’t late for the first train.

- Because of..................................................................................................................................

27. Although he is strong, I’m not afraid of him.

- In spite of....................................................................................................................................

28. My neighbor couldn’t return home because of losing all of his money.

- Because.......................................................................................................................................

29. He carried the bed onto the roof of his house because of the hot weather.

- Because.......................................................................................................................................

30. I can sleep although it is hot.

- In spite of....................................................................................................................................

ĐỀ: Rewrite these sentences using ALTHOUGH/THOUGH/DESPITE/IN SPITE OF
1/Because i am sick,l i do not go out 

->Because of 

2/Because the weter is polluted,we can`t swim in that river

->Because of 

3/Because nga has had a sore leg,she had difficulty in walking 

->Because of 

4/Because he behaved badly,he found himself in trouble 

->Because of

5/Because it was snowing,we didn`t go out for a walk

->Because of 

6/Because of his good looks,he is popular with many girls 

->Because 

7/Because of his serious sickness,he couldn`t come to the class 

->Because 

8/Because of too much exhaust fume,people have to wear gauze masks in the streets 

->Beccause 

9/Because of their good performance,they won the first prize 

->Because 

10/Because of your advice,we didn`t use that poisonous chemical

->Because 

II. Rewrite these sentences by using “because of”

1. She can’t work hard because she is very old.

………………………………………………………………………

2. He likes her because of she is very beautiful.

………………………………………………………………………

3. He broke the vase because he was careless.

………………………………………………………………………

4. He left school because his life was hard.

………………………………………………………………………

5. I went to bed early because I feel tired.

………………………………………………………………………