1.Can you have your report ___ tomorrow?

A. finish B. finished C. to finish D. finishing2.Silver is the best conductor of electricity, copper ___ it closely.

A. followed B. following C. to follow D. being followed3.I don´t like bills, but when I do get them I like ___ them promptly.

A. to get, paying B. getting, to pay C. to get, to pay D. getting, paying4.Because of the unexpected changes, they postponed ___ us an answer.

A. giving B. have given C. to give D. to have given5.Young people often feel an urge to try ___ before the age set by law.

A. a smoking B. smoke C. to smoke D. smoking6.As a public relations officer, he is said ____ some very influential people.

A. to know B. to be knowingC. to have been knowing D. to have known7.Some people viewed the findings with caution, noting that a cause-and-effect relationship between passive smoking and cancer remains ___ .

A. to be shown B. to have shownC. to have been shown D. being shown8.If I had remembered the window, the thief would not have got in.

A. to close B. closing C. to have closed D. having closed9.If you want ___ you have to get the fund somewhere.

A. that the job is done B. the job doneC. to have done the job D. the job that is done10.Mr. Johnson preferred ___ heavier work to do.

A. to be given B. to be giving C. to have given D. having given

答案：B B B A D     A A A B A