【題目】A lot of countries wanted to know ????? .

A. if the MH 370 will fall into the Indian Ocean??? B. that there is a fight on the MH370

C. when did the plane accident happen in Malaysia??? D. what caused the plane accident in Malaysia

【答案】D

【解析】句意“許多國家想知道在馬來西亞什么造成了這次飛機事故”。A.主句用一般過去時，從句也要用相應的過去式；B.在MH370上是否有戰(zhàn)斗，that無意義，要用if/whether。C.賓語從句用陳述語序。根據(jù)句意，故選D。

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