-I wonder Mary has kept her figure after all these years.-By working out every day.A. where B．how C．

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编辑：chaxungu时间：2026-04-27 03:01:38分类：高中英语题库

【题目】—I wonder ______ Mary has kept her figure after all these years.

—By working out every day.

A. where B．how C．why D．if

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【答案】B

【解析】考查宾语从句。句子是用表示方式的介词by回答的，所以是针对方式提问，故用how，how可以对方式进行提问。句意：——我想知道玛丽在这些年是怎么保持身材的。——通过每天锻炼。故选B。