从下列每小题所给的A、B、C和D四个选项中，选出可以填人空白处的最佳选项。

　　31. At the foot of the hill you could hear nothing but the_______of the running water.

　　A. shout B. noise C. voice D. sound

　　32. Your digital watch is quite nice. Where did you buy_____?I want to buy_____，too.

　　A. one;one B. it;it C. it;one D. one;it

　　33. Heilongjiang is in the_______of China.

　　A. northeast B. northeastern C. northwest D. northwestern

　　34.________a player，I'm looking forward________the 2008 Olympic Games.

　　A. For;at B. As;to C. With;for D. Of;to

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

　　A. that B. so C. but D. because

　　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

　　37. It is______ nice of you to say so.

　　A. truly B. true C. really D. real

　　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

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

　　A. arrive B. reach C. go D. get

　　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

　　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

　　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

　　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

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

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

　　45.一Is the girl______is interviewing the manager of that company your friend?

　　一Yes，she is a journalist from CCTV.

　　A. whom B. which C. who D, whose