No sooner_______ his speech than listeners put forward questions.

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问题 No sooner_______ his speech than listeners put forward questions.

选项 A、he has finished
B、has he finished
C、he had finished
D、had he finished

答案D

解析 no sooner．．．than．．．是固定用法，意为“一……就……”，引导时间状语从句，主句常用过去完成时，than后面的从句用一般过去时。题中的no sooner置于句首，因此需将助动词放在主语前面引起部分倒装，选D。

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专业英语四级

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