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
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–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
-What did you do last Friday?Tim played_____soccerandIplayed_____piano.
A. the,the
B. the,/
C. /,the
D. a,the
Mom!Would you mind me _____table tennis ?
A. play
B. plays
C. played
D. playing