The school should ________ immediately to the students’ request that they should have more time to relax.

A. respond                  B. refer        C. answer          D. follow

Standing on the platform, Professor Li kept silent for a moment,         on the audience below.

A. her eyes fixed                                   B. and her eyes fixed

C. and her eyes fixing                              D. her eyes fixing

Only one third of the people present at the meeting voted          the new law.

A. in search of                                     B. in favor of     

C. in short of                                      D. in case of

The father stood up in order to protect his 15-year-old son, saying that he was not the one         .

A. blamed               B. blaming      C. to blame         D. being blamed

Give me a cigarette, please. Mine         .

A. has been given out                               B. has been run out    

C. has used up                                      D. has been run out of

Written in a hurry,          How can it be satisfactory?

A. they found many mistakes in the report. 

B. Sam made lots of mistakes in the report.

C. there are plenty of mistakes in the report. 

D. the report is full of mistakes.

After the new technique was introduced，the factory produced ________ tractors in 1988 as the year before.

A. as twice many    B. as many twice        C. twice as many        D. twice many as

         five hours to the meeting, David learnt that it had been postponed.

A. Having driven            B. Driven   C. Being driven D. To be driven

I would have come earlier, but I ________ that you were waiting for me.

A. hadn’t known     B. didn’t know  C. would have known    D. haven’t know

It is no use _________ to persuade him ________ smoking because he has been addicted to it since he was young.

A. trying, to quit         B. to try, to quit          C. to try, quit                 D. trying, quit