2 were you doing - was

3 goes

4 is reading - doing

5 Have you ever eaten

6 has already delayed producing - will phone - continues

7 study - will get

8 rang - was cooking

9 finished - to take - reading - studying

10 will succeed - solving

1 C

2 B

3 D

4 C

5 C

6 C

7 D

8 D

9 D

1, saved a lot of money, he decided to buy a new house.

2, done her homework, she went to visit her grandmother.

3, Manh on having passed his exams.

4, to go camping with them the following weekend.

1A 2B 3A 4A 5B 6D 7C

Chọn C

10 A

11 A

12 A

13 B

14 A

15 A

16 B

giúp e vs ạ