41. _______ the one-child policy, our country has controlled the population successfully.
A. Thanks to B. Thanks for C. As for
40. Everyone should save every drop of water. Remember to _______the tap after you finish washing.
A. turn off B. turn down C. turn on
39. Our city is becoming nicer. Look! There are many trees and flowers on _______ sides of the streets.
A. all B. each C. both
38. We used to study in the old building_______ was broken down last year.
A. which B. where C. what
37. -How long _______it _______ you to work out such a difficult problem?
-About thirty minutes.
A. did… take B. does… take C. did…cost
36. Excuse me, sir. Could you tell me _______?
A. where can I get a post card
B. where I can get a post card
C. that I could get a post card
35. My hobby is changing all the time. Now I am _______ in collecting coins. It’s_______ and valuable.
A. interesting; interested B. interested; interesting C. interested; interest
34. As we know, the Changjiang River is one of _______rivers in the world.
A. long B. longer C. the longest
33. John and I will go out for a walk after we _______our homework.
A. finish B. finished C. will finish
32. -Excuse me. How far is the post office from here?
-It’s about _______walk.
A. ten minute B. ten minutes C. ten minutes’