题目内容

Jack took an interest in _____ ping-pong soon after he came to China.

A. played
B. playing
C. play
D. palys

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Mr Wang ____ be in Nanjing now, he went to Beijing only this morning.

A. mustn’t
B. may not
C. can’t
D. needn’t

This math problem is too difficult. Can you show me________, George?

A. what to work out
B. to work it out
C. how to work it out
D. how to work out it

–May I go to the cinema, Mum?--Certainly. But you ______ be back by 11 o’clock.

A. can
B. may
C. must
D. need

Drivers shouldn’t be allowed _____ after drinking, or they will break the law.

A. drive
B. driving
C. drived
D. to drive

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