the dangerous building _______ now A .is being pulled B.is been pulled down C.is pulling down D.was pulling down
人气：345 ℃ 时间：2020-03-19 09:55:28
解答
应该选择B
pull down the building 是 拆除大楼 的意思
是人拆楼,所以楼是被拆.要用被动 be pulled down.
因为句子中有now,所以要用现在进行时 being pulled down.
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