40. I had done my homework ______ the light went out.

   A. as                       B. until                 C. while                D. when

39. It must be colder tomorrow than today, ______ it?

   A. mustn’t               B. won’t                C. isn’t                  D. can’t

38. Anyone can take good photos. ______ in the right place at the right time.

   A. The question is    B. They are            C. It’s a fact of              D. It’s just a matter of being

37. ―English has large vocabulary, hasn’t it?

   ―Yes. ______ more English and expressions and you will find it easier to read and communicate.

   A. Know                 B. Knowing           C. To know            D. Known

36. Wang Xiaobo was a quite special writer.  His books are well worth ______.

   A. reading               B. being reading     C. seeing               D. being seen

35. Around our village there are many trees which ______ rubber（橡胶）.

   A. make                  B. are made           C. produce             D. build

34. ―How many students have seen the new film in your class?

   ―__________.

   A. Both                   B. Everyone          C. Someone           D. None

33. The woman newsreader has gone to live abroad. She won’t appear on TV ______. 

   A. any more            B. any longer         C. for longer          D. after some time

32. The man jumped out of the car and took the ______ child to safety.

   A. afraid                 B. frightening        C. terrible              D. frightened

31. Shall we stop to have ______ drink?

   A. an                      B. a                      C. one                   D. little