44. Don't be afraid of asking for information ______it is needed.

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

43. I want to know______do to help my neighbour.

  A. what I can        B. what can I         C. how I can       D. how can I

42. It's important______the piano well.

  A. of him to play      B. for him to play     C. of him playing   D. for him playing

41. This kind of food_____cool, clean and dry according to the instruction.

  A. should be carried  B. must be put    C. should be placed  D. must be kept

40.一Have you mended your shoes，Bob?

  一Yes，I______them twenty minutes ago.

  A. have mended  B. mend          C. had mended   D, mended

39. With the help of the Internet，news can_______every corner of the world.

  A. arrive        B. reach           C. go          D. get

38. 一Do you. Know_______lady in blue?

   一Yes. She is a teacher of a university.

  A. the          B. a               C. an          D.不填

37. It is______ nice of you to say so.

  A. truly         B. true             C. really       D. real

36. The experts think that India's population may be _______than China's ______ 2020.

  A. much；by     B. more; in        C. larger；by    D. larger；on

35. It was snowing hard_______we had to stay at home and watch TV.

  A. that           B. so            C. but          D. because