B

6. Is the laziest student in my class.

7. Takes me 2 hours to do my homework.

8. Shouldn't go to school on Sundays.

9. The first tim I've eaten Japanese food.

10. Two older sisters.

B

A

A

think

6. went 

7. had

8. visited

9. were

10. bought

11. Was

12. was

13. Was / was

14. was

15. was

25. didn't go 

26. had

27. got

28. did / do / did 

16. remembered

17. worn 

18. ate 

19. took

20. jad 

21. returned

22. went

23. got / had

24. bought

25. didn't go 

26. had

27. got

28. did / do / did 

1. studied

2. have studied

3. have watched

4. watched

5. have traveled

6. traveled

7. have read

8. read

9. had

10. have had