The old lady did not know ___________when the house caught fire.A．how to doB． what to doC． how to do it D．what to do it.-初中英语-n多题

◎ 题干

The old lady did not know ___________when the house caught fire.

A．how to do	B． what to do
C． how to do it	D．what to do it.

◎ 答案

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◎ 解析

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◎ 知识点

根据n多题专家分析，试题“The old lady did not know ___________when the house caught fire.A．how to doB． what to doC． how to do it D．what to do it.…”主要考查了你对【助动词】，【介词短语】，【固定搭配】，【疑问词组】等知识点的理解和应用能力。关于这些知识点的“档案”，你可以点击相应的链接进行查看和学习。

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