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-I wonder Mary has changed so much.-She has been suffering a serious disease.A.why B.what C.when D.w

编辑:chaxungu时间:2026-04-27 03:01:35分类:高中英语题库

【题目】—I wonder ______ Mary has changed so much.

—She has been suffering a serious disease.

A.why B.what C.when D.where

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【答案】A

【解析】句意:——我想知道为什么玛丽改变了这么多。——她患了重病。分析句子,空格后面是从句,且根据答语可知应该选why。