It has been announced that candidates ______ remain in their seats until all the papers have been collected. www.7caiedu.cn

A. can         B. will        C. may        D. shall

 You can’t imagine that a well –behaved gentleman ______ be so rude to a lady.

A. might         B. need           C. should        D. would

 —Well, I forgot to bring my dictionary here yesterday.

—Actually you _____ it here. You were not allowed to use it.

A. needn’t bring       B. needn’t have brought

C. didn’t need to bring  D. don’t have to bring

 —Many people in England love to give advice on weather reporting.

—Yes, but I think the weather office’s computers _____ be more accurate.

A. can  B. must  C. ought to  D. might

 The whole building _____ burned down, but the heavy rain _____.

A. might have; would help

B. could have been; helped

C. must have; helped

D. should have been; was helping

 Messages ______ be changed from sound into electricity before they ______ be sent by radio.

A. must; will   B. have to; can      C. can; must    D. need; may

 He _____ his parents that he has failed in the exam.

A. dares not tell   B. dares not telling      C. dare not tell    D. dares not to tell

 —The poor people lived near the highway.

—_____ very noisy.

A. It must have been      B. They must be     C. That might be      D. There must be

 As is natural, a man as old as he ______ be very forgetful.

A. can  B. must  C. should  D. would

 You _____ pay too much attention to your reading skill, as it is so important.

A. cannot  B. should  C. must  D. needn’t