Ответ:

Упр 7

1 ...couldn't.... but he can now.

2 ....can...

3 Could you...

4 I can't go...

5 He can...

6 ...I can't find...

7 ....couldn't... but I can...

8 Could you...

Упр 8

1 You mustn't...

2 You must...

3 I must...

4 You mustn't..

5 You mustn't...

6 We must...

Упр 9

2 всё верно

3 It will be hot...

4 You mustn't...

5 ...cheaper than that...

6 ....so fast.

7 ...close to my...

8 Would you...

9 ....is my niece.

10 ...it's mine.

Объяснение: