练习册

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    Only then how much damage had been caused. A.she realized B.she had realized C.had she realized D.did she realize 答案 D 解析 “only+介词短语/句子 这一结构置于句首时.整个主句必须倒装.此外.由then可确定用过去时态. 【查看更多】

     

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