The acrobat was walking on the thin wire as though she __on the groun .A.had walked B.had been walking C.were walking D.walkld 主句与从句谓语动作同时发生,从句应该用一般过去式 ,就应该选择D,为什么答案选择C
人气：282 ℃ 时间：2020-06-08 13:25:34
解答
as if 后面说的与事实相反（事实是他在钢丝上走而非在平地上） 所以是虚拟语气 be动词统用 were
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