Only at that time how much time she had wasted.A．Mary did knowB．did M

题型：不详难度：来源：

Only at that time how much time she had wasted.

A．Mary did know

B．did Mary know

C．does Mary know

D．Mary does know

答案

解析

考查倒装句。Only 放在句首后接状语时，后面使用部分倒装的形式。句意：只有在那时玛丽才知道她已经浪费了多少时间。
点评：注意部分倒装，完全倒装的结构和规则。Only 放在句首后接状语时，后面使用部分倒装的形式。

举一反三

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—______.

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B．I have heard of

C．I have been hearing of

D．have I heard from

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A．did the visitors get	B．got the visitors
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A．planned not carefully	B．not planning carefully
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A．how is it that

B．that how

C．how it is that

D．what is it

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