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So mysteriously ______ missing that many puzzles wait to be solved.

A. did Flight MH370 go B. Flight MH370 went

C. does Flight MH370 go D. had Flight MH370 gone

【解析】

試題分析：句意：MH370航班消失的是如此神秘以至于許多困惑有待解決。本題屬于so+adj/adv.... that副詞提前的倒裝句中的一種特殊句式，排除B。因為Flight MH370消失發(fā)生在過去，故用一般過去時。故選A。

考點：考查倒裝句。

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