The boy was observed basketball at eight o’clock yesterday.A.playingB.playC.to p
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The boy was observed __________ basketball at eight o’clock yesterday.
A.playing
B.play
C.to play
D.having played
试题答案
A

The boy was observed __________ basketball at eight o’clock yesterday.
A.playing
B.play
C.to play
D.having played
A