Ex 6

41.B

42.C

43.D

44.A

45.B

Ex 9

(After + past perfect, simple past : Hành động xảy ra sau một hành động trong quá khứ) 

(Before +simple past, past perfect : Hành động xảy ra trước một hành động trong quá khứ) 

1.Before we passed the exam we had worked very hard for it.

2.After my sister had considered what to say she decided to talk to her headmaster.

3.Before I went out for a walk I had learned my lessons.

4.After her brother had checked the prices he bought a new washing machine.

5.Before my mother felt a little better she had taken an aspirin. 

6.She suggested taking a taxi. (suggest + V_ing/S+V/to V/that+S+should)

7.Although the weather is cold, we went out.(Although+clause)

8.This is the first time I have been to this shop.(This is the first time + S + have/has + P2: Lần đầu làm gì)

9.If you learn hard,you will pass the exam.(điều kiện loại 1)

10.John swims the best in this club.(so sánh nhất)

Ex6:

41.B

42.B

43.C

44.A

45.D

Ex9:

1.Before we passed the exam, we had worked very hard for it.

2.After my sister had considered what to say, she decided to talk to her headmaster.

3.Before I went out for a walk, I had learned my lessons.

4.After her brother had checked the prices, he bought a new washing machine.

5.Before my mother felt a little better, she had taken an aspirin.

6.She suggested we should take a taxi.

7.Although it was cold, we went out.

8.It is the first time I have been to this shop.

9.If you don't study hard, you won't pass the exam.

10.John swims the best in this club.