题目内容

Most of the children enjoy ______ computer games.

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

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The nurse spent the whole morning ______with the patient.

A. talk
B. talks
C. talked
D. talking

The boys ______ a new lesson when Mary came in.

A. have
B. having
C. were having
D. are having

We __________ in a factory these days.

A. are worked
B. are working
C. am working
D. working

Listen! The baby _____ in the next room.

A. crying
B. cried
C. is crying
D. cries

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