39. It was not until dark __________ he found ________ he thought was the correct way to solve the problem.

　 A. that; what　 B. that; that　 C. when; what　 D. when; that

38. Mr White________at 8:30 for the meeting, but he didn't show up.

　 A. should have arrived　　　　 B. should arrive

　 C. should be arriving　　　　　 D. arrived

37.Sarah, hurry up. I’m　 afraid　 you can’t have time to __________ before the party.

　 A. get changed　 B. get change　 C. get changing D. get to change

36.She will tell us why she feels so strongly that each of us has a role__________in making the earth a better place to live on.

　 A. to have played　 B. to play C. to be played　 D. to be playing

35. Mother will wait for him to have dinner together, no matter

　 __________.

　 A. how late is he　　　　　　　 B. how late he is　

　 C. how is he late　　　　　　　 D. how he is late

34.--- You’ve left the light on.

　 --- Oh, so I have. _________ and turn it off.

　 A. I’ll go　　 B. I go　　　　　 C. I’m going　　 D. I’m going to

33. You can hardly imagine the difficulty the woman had _________ her children.

　 A. brought up　 B. to bring up　 C. bringing up　 D. bring up

32. In order to beautify our city, __________.

　 A. it is necessary to plant more trees

　 B. more trees need planting

　 C. our city needs more trees

　 D. we must plant more trees

31.--- Was his father strict with him when he was at school ?

　 --- Yes. He had never praised him __________ he became one of the top students in his grade.

　 A. after　　　　 B. unless　　　　 C. until　　　　 D. when

30. Every minute should be made use of________ for the coming exam.

　 A. preparing　　 B. to prepare　　 C. prepared　　 D. prepares