V. Complete the second sentence so that it has a similar meaning to the first sentence, using the word given.
1. He can’t go out because he has to study for his exam.
If .......................................................................................................................................
2. I don’t buy that book because I don’t have enough money.
If .......................................................................................................................................
3. She is lazy so she can’t pass the exam.
If .......................................................................................................................................
4. She is very shy, so she doesn’t enjoy the party.
If .......................................................................................................................................
5. He will pay me tonight; I will have enough money to buy a car.
If .......................................................................................................................................
6. He doesn’t take any exercises. He is so unhealthy.
If .......................................................................................................................................
7. Study hard or you won’t pass the exam.
If .......................................................................................................................................
8. Don’t be impatient or you will make mistakes.
If .......................................................................................................................................
9. Mary types the letters in the office.
The letters .......................................................................................................................
10. His father will help you tomorrow.
You ..................................................................................................................................
11. I don’t know her telephone number.
Her telephone ................................................................................................................
12. My students will bring the children home.
The children……………………………………………………………………….
13. They sent me a present last week.
I ……………………………………………………………………………………
14. The water is contaminated, so people get more diseases.
Because………………………………………………………………………………
15. It was raining, so we decided to postpone our camping.
Because……………………………………………………………………………..
16. Lan was sick, so she couldn't come to class.
Because.................................................................................................................................
17. Because she has a lot of difficulties, she managed to sell the house.
Because of............................................................................................................................
Exercise 4: Complete the second sentence so that it has the same meaning as the first one.