22、Tom felt that he knew everybody's business better than they knew it      .

A. themselves        B. oneself

C. itself             D. himself

21、Many people agree that      knowledge of English is a must in      international trade today.

A. a; 不填           B. the; an

C. the; the           D. 不填; the

20、The number of people invited      fifty, but a number of them absent for different reasons.

A. were; was         B. was; was

C. was; were         D. were; were

19、We decided not to climb the mountains because it was raining      .

A. badly             B. hardly

C. strongly           D. heavily

18、After living in Paris for fifty years he returned to the small town      he grew up as a child.

A. which             B. where

C. that               D. when

17、Helen      her keys in the office so she had to wait until her husband      home.

A. has left; comes   B. left; had come

C. has left; came    D. had left;would come

16、The patient was warned      oily food after the operation.

A. to eat not        B. eating not

C. not to eat        D. not  eating

15、You didn't let me drive.  If we      in turn, you      so tired.

A. drove, didn't get

B. drove; wouldn't get

C. were driving; wouldn't get

D. had driven; wouldn't have got

14、-Can I help you, sir?

-Yes.  I bought this radio here yesterday, but it      .

A. didn't work        B. won't work

C. can't  work       D. doesn't work

13、It is wise to have some money      for old age.

A. put away          B. kept up

C. given away        D. laid up