29. D. The manager usually asks his personal assistant to sort out the documents. ( chủ động)

30. B. He has his car stole. 
Choose the best answer

1. D. Agree ( present simple)

2. C. Are manufactured ( passive)

3. D. Will he accomplished ( passive future)

4. C. Was penicillin invented (past passive)

5. B. Be quipped with ( be V3)

6. A. Has not been discussed/ had been withdrawn

7. D. Has been spen ( perfect passive)

8. D. Is being fixed 

9. C. Is being constructed/ will be built ( present and future passive)

10. B. Will be taken/have been spoken

11. B. Had been told/ were waited ( past perfect and past passive)

12. D. Be solved

13. A. Be done

14. B. Was admitted ( past passive)

15. C. Was being held

16. A. Was stolen 

17. C. Being studied ( continuous passive)

18. A. Happened ( past simple)

19. C. Had been stung

20. D. Can be prevented

21. A. Applauding ( Ving)

22. B. Have been bought/ had been postponed

23. B. Being bothered ( Ving)

24. B. Being surprised

25. D. To be invited ( to V)

26. A. Having told ( Ving)

27. C. To have lost

28. D. To have been given ( to have been V3)

29. B. Having been offered ( having been V3)

30. C. To have finished

1. D

2. C

3. D

4. C

5. B

6. A

7. D

8. D

9. C

10. B

11. chưa làm đc

12 D

13. A

14. B

15. C

16. A

10. B

11. B

12. D

13. A

14. B

15. C

16. A

17. C

18. A

19. C

20. D