19. C

20. A

21. B

22. B

23. B

24. B

25. C

26. C

27. Driving

28. to go

29. to go

30. raining

31. to win

32. asking

33. asking

34. to answer 

35. to breaking

`19`. C drove ( would rather + O + V2/ed )

`20`. A She left the room without saying the word. ( without + Ving: không có )

`21`. B to become ( want + SO + to V: muốn )

`22`. B writing ( busy + Ving )

`23`. B to talk ( allow + SO + to V: cho phép ai đó làm gì )

`24`. A hurry ( needn't + Vinf )

`25`. C to be - be ( pormise + to V: hứa, must + Vinf )

`26`. C to seeing ( look forward to Ving: mong chờ )

`27`. driving

`28`. to go

`29`. to go

`30`. raining

`31`. to win

`32`. asking

`33`. asking

`34`. to answer

`35`. breaking