The wheat fields are irrigated by water _____ from a pond through bamboo pipes.

       A. bring                 B. brings               C. brought             D. bringing

I can’t see my old grandmother ____ alone in the country, so I’ll have her ____ with me in the city.

       A. left; stay              B. leave; staying        C. leaving; to stay   D. left; stayed

________ by the problem that was put forward at the meeting, the people in the audience had ________ looks on their faces.

A. Puzzled; puzzling      B. Puzzled; puzzled       

C. Puzzling; puzzling     D. Puzzling; puzzled

I ______ asleep because it took me a long time to realize that the telephone was ringing.

A. could have fallen 　                                 B. should have fallen  

C. must have fallen 　                                  D. mustn’t have fallen

When she realized I _________ her, she quickly made a pose, smiling.

       A. was photographing                                   B. photographed        

       C. had photographed                                    D. will photograph

Only when your identity has been checked _________.

       A. you are allowed in                                     B. you will be allowed in

       C. will you allow in                                      D. will you be allowed in

Don’t just sit there ________ your legs; come and help me carry the box upstairs.

  A. swung                   B. to swing               C. swinging                D. and swinging

_____ to sunlight for too much time will do harm to one’s skin.

A. Exposed 　　         B. Being exposed　    C. Having exposed　  D. Exposing

—What clothes should we wear to attend the ball?

   —Dress ________ you like.

A. whatever       B. no matter what   C. however                  D. no matter which

How many nationalities ______ our country ______?

    A. is; consisted of   B. does; make up       C. is; made of           D. does; consist of