31. _____ the project as planned，we'll have to work two more hours a day.

A. Completing B. Complete C. Completed D. To complete

32. Thank you for all your hard work last week. I don't think we ______ it without you.

A. can manage B. could have managedC. could manage D. can have managed

33. They will fly to Washington， they plan to stay for two or three days.

A. where B. there C. which D. when

34. The growing speed of a plant is influenced by a number of factors，_____ are beyond our control.

A. most of them B. most of which C. most of what D. most of that

35. The news _____ our athletes won another gold medal was reported in yesterday's newspaper.

A. which B. whether C. what D. that

36. We'll have a picnic in the park this Sunday _____ it rains or it's very cold.

A. since B. if C. unless D. until

37. I haven't seen Ann for ____ long that I’ve forgotten what she looks like.

A. such B. very C. so D. too

38. Only when I left my parents for Italy how much I loved them.

A. I realized B. I had realized C. had I realized D. did I realize

39. The artist was born poor， poor he remained all his life.

A. and B. or C. but D. so

40. ——I have some big news for you. You've been accepted as a member of our club.

----_______ That’s great!

A. Have I ? B. Pardon? C. Congratulations! D. Good idea!

答案：

1-5 ABDAD 6-10 CDDBC 11-15 BACBB 16-20 ADBCA

21-25 DCDBA 26-30 CDDBB 31-35 DBABD 36-40 CCDAA