The boy was seen on the sports ground. A. to play B. play C. to playing——青夏教育精英家教网——

摘要： The boy was seen on the sports ground. A. to play B. play C. to playing

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The boy was seen on the sports ground.

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

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The boy was seen _______ on the sports ground.

[ ]

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

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The boy was seen ________ on the sports ground．

A．to play

B．play

C．played

D．to playing

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