39. ______ it with me and I’ll see what I can do.

　 　A. When left　　 　B. Leaving　　　 C. If you leave　　　　 D. Leave

38. My dictionary ______. I have looked for it everywhere but still ______it.

　　 A. has lost; don’t find　 B. is missing; don’t find C. has lost; haven’t found D. is missing; haven’t found

37. You won’t know whether the coat fits you until you ______ it on.

　 　A. will try　　　 B. have tried　　 C. tried　　　　　 D. are trying

36. I decided to go to the library as soon as I ______.

　 　A. finished what I was doing　 B. finished what I did

　 　C. would finish what I was doing　 D. finish what I did

35. --- Don’t forget to bring my new books tomorrow afternoon.

　　 --- No, I ______.

　　 A. don’t　　　　 B. do　　　　　 C. won’t　　　　　 D. will

34. When he was alive, the old scientist used to say that knowledge ______ from practice and he gained his experience by doing a lot of practical work.

　　 A. was coming　 B. had come　 C. comes　 D. would come

33. She ______ to the office than she got down to writing the report.

　　 A. has no sooner got　 B. had hardly got　 C. no sooner got　 D. had no sooner got

32. He ______ articles for our wall-newspaper these three years, and he ______ about forty articles.

　　 A. has been writing; has written B. has been writing; wrote

　　 C. is writing; has been writing　 D. has written; has written

31. --- Look at the black clouds. It ______ soon.

　　 --- Sure. If only we ______ out.

　　 A. is raining; didn’t come B. is to rain; won’t start

　　 C. will rain; haven’t started　 D. is going to rain; hadn’t come

30. Jim talked for about half an hour yesterday. Never ______ him talk so much.

　　 A. I heard B. did I hear　 C. I had heard D. had I heard