Unfortunately, no one knows prevented the rumor from spreading.A. what was it that B. what it was thatC. how was it that D. how it was that 题目和参考答案——青夏教育精英家教网—

题目内容

Unfortunately, no one knows ________ prevented the rumor from spreading.

A. what was it that B. what it was that

C. how was it that D. how it was that

【解析】

试题分析：考查强调句和宾语从句。句意：不幸的是，没有人知道是什么阻止了谣言的传播。knows后跟宾语从句，从句缺少主语，故用what，排除C、D；宾语从句用陈述语序，A项是疑问语序，排除A，故选B。

考点：考查强调句和宾语从句

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根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。

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4. .

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