Đáp án :

BÀI 7:

1 have lived 

2went 

3 did you see 

4 has wroten 

6 haven't seen 

7 hasn't smoked 

8 has compose

9 did he arrive 

10 have been 

11 haven't finished 

12 have never drink 

13 have just cleaned 

14 has taught/ graduated 

15 met 

BAI 8 

1 he has never visited Hà Long Bay before 

2 she has warked here since last year 

3 We have began eating lunch 

4 I haven't cut my hair since she left me

5 he hasn't met me for 5 months 

6 We haven't met for a long time 

7 how long have you had this computer 

9 The last time I went to roots is 1 month ago

10 It is 5 day since I talked to him

 Xin hay nhất nha

=>
7/
1. have lived
2. went

3. Did you see
4. wrote
5. has written
6. have not seen
7. has not smoked
8. compsed 
9. did he arrive
10. enjoyed
11. have not finished
12. have never drunk
13. have just cleaned
14. got
15. met

8/
1. He hasn't visited Ha Long Bay before.
2. She has worked here since last year.
3. We have eaten lunch since it started to rain.
4. I haven't had my hair cut since she left me.
5. He hasn't met me for 5 months.
6. We haven't met for a long time.
7. How long have you had this computer?
8. I haven't had such a delicious meal before.
9. The last time I went to work was a month ago.
10. It is 5 days since I last talked to him.