look,someone __________ on the ground.what is t
look,someone __________ on the ground.what is the matter?a.play b.is playing c.playing d.is play
人气：428 ℃ 时间：2020-05-20 23:44:56
解答
b.is playing
从句首Look 可见, 此动作在进行之中, 所以用现在进行时
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