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

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

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

A. badly             B. hardly

C. strongly           D. heavily

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

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

The patient was warned      oily food after the operation.

A. to eat not        B. eating not

C. not to eat        D. not  eating

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

-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

It is wise to have some money      for old age.

A. put away          B. kept up

C. given away        D. laid up

      we can't get seems better than      we have.

A. What;what         B. What;that

C. That;that           D. That;what