I. Simple past or present perfect

1. hasn't seen

2. discovered

3. hasn't eaten

4. studied

5. lost - has looked

6. suffered

7. has - composed

8. have - done

9. has lived

10. have played - was

11. has repaired

12. has taught

13. went

14. threw

15. have just read

II. Choose the best answer

1. A. worked

2. C. Have you read

3. B. have lived / came

4. C. has

5. B. was waiting/ noticed

6. C. wrote

7. A. ago

8. D. is taking

9. C. have had

10. C. do you think

I

1. hasn't seen ( for 2 months : hiện tại hoàn thành )

2. discovered ( 400 years ago: quá khứ đơn )

3. hasn't eaten ( since : hiện tại hoàn thành )

4. studied ( from 2012 to 2016: quá khứ đơn )

5. lost - has looked - hasn't seen ( hiện tại hoàn thành )

6. suffered ( last year: quá khứ đơn )

7. did - compose ( qúa khứ đơn )

8. have - done ( hiện tại hoàn thành )

9. has lived ( for 15 years: hiện tại hoàn thành )

10. have played - was ( hiện tại hoàn thành + since + quá khứ đơn )

11. has repaired ( hiện tại hoàn thành )

12. has taught ( for 5 years : hiện tại hoàn thành )

13. went ( when I was : quá khứ đơn )

14. threw ( when I moved: quá khứ đơn )

15. have just read ( just : hiện tại hoàn thành )

II

1. A worked

2. C Have you read

3. B have lived - came

4. C has

5. B was waiting - noticed

6. C wrote

7. A ago

8. D is taking

9. C have had

10. C do you think