39. She preferred me _____ there.

　 A. to stay　　　　 B. would stay　 C. I stay　　 D. stay

38. Today we use machines _____ us do most of our work.

　 A. to help　　　　 B. help　　　　 C. helping　　 D. helped

37. He doesn’t know _____.

　 A. when to do　　 B. what to do　 C. how to do　 D. where to do

36. The man pretended ____ when we saw him.

　 A. to be eaten　 B. eating　 C. being eating　 D. to be eating

35. His father agreed ____ $ 4,000 for the car.

　 A. with paying　 B. to paying　 C. to pay　 D. on paying

34. You are not expected ____ such long hours.

　 A. to work　 B. working　 C. worked　 D. work

33. It’s time for supper now. Let’s ______ it.

　 A. stop to have　 B. stop having　 C. to stop to have　 D. to stop having

32. I ____ the same neighborhood with the lovely girl.

　A. happened living in　 B. happened to live in

　 C. was happening living in　 D. was happening to live

31. The old man seems ____ in a great hurry.

　 A. be　 B. to be　 C. being　 D. to being

30. I find ____ him all about it.

　 A. necessary to tell　　　 B. that necessary to　

C. necessary it to tell　 D. it necessary to tell