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Father went to his doctor for_______ about his heart trouble.

  A. an advice       B. advice          C. advices           D. the advices  

The police asked him to _________what he had seen. 

A. set about        B. set down       C. set up         D. set out  

 About one-fifth of workers in that factory _______ in the earthquake .

   A. was killed    B. were killed       C. had been killed  D. have been killed  

The physics teacher said the earth______ around the sun.

   A. is moving     B. moved         C. had moved      D. moves  

There are two thousand students in this college, ______ are from the countryside.

A. one-third of them 　　　　　　　　　　　　　 B. one-third of which

C. one-third of whom 　　　　　　　　　　　　 D. one-third in which　　

 His story is _________his own experience when he was studying in America.

A. based in        B. based on       C. basing on      D. basing in  

Mr. Black _______Shanghai in a few days. Shall we have a party? 

A. leaves           B. is leaving        C. left              D. has left  

Is this school ________ my father studied in when he was a child?

A. that            B. which           C. the one           D. /  

 One minute she cried and the next burst out _____. We just couldn’t catch her mood at any moment.

A. laughter         B. laughing         C. tears             D. to laugh

After         from college, we finally got the chance to take a bike trip.

A. graduating      B. graduate         C. graduated         D. to graduate