You can only turn left when you see the _______sign.

A                 B                  C

 We shouldn’t go to school _______breakfast. It’s bad for our health.

   A. with                                            B. after                                          C. without

 There _______a wonderful movie on show this weekend. Would you like to go with me?

   A. is going to have                           B. is going to be                               C. is going to has

_______ the one-child policy, our country has controlled the population successfully.

   A. Thanks to                                    B. Thanks for                                 C. As for

Everyone should save every drop of water. Remember to _______the tap after you finish washing.

A. turn off                                                  B. turn down                                        C. turn on

Our city is becoming nicer. Look! There are many trees and flowers on _______ sides of the streets.

   A. all                                                     B. each                                                     C. both

 We used to study in the old building_______ was broken down last year.

   A. which                                            B. where                                       C. what

 —How long _______it _______ you to work out such a difficult problem?

   —About thirty minutes.

   A. did… take                                       B. does… take                                   C. did…cost

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

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