III.

1. Mary doesn't spend as much money this month as she did last month.

2. If he didn't work hard, he wouldn't pass the exam.

3. (Đề bài sai)

4. I am bored with/of this lecture

5. I have never tasted such a delicious cake before.

6. It's 2 years since she left university.

7. The house at the end of the road had been sold.

8. You should not have left the window open last night.

9. Unless you keep your feet dry, you will catch cold.

10. Because of the rain, we couldn't go to school.

IV/

1. She was unhappier than she had been before.

2. He has driven since he was eighteen.

3. The bank manager was made to hand over the money by the robbers.

4. The furniture was too expensive for me to buy.

5. It's the first time I have seen that man.

6. I wish I had gone to the party last sunday.

7. Unless everybody brings him to the hospital, he will die.

8. New school is being built in that village.

9. I began studying English 3 years ago.

10. Not only did he spend all his money but he also borrowed some from me.