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【题目】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“许多国家想知道在马来西亚什么造成了这次飞机事故”。A.主句用一般过去时,从句也要用相应的过去式;B.MH370上是否有战斗,that无意义,要用if/whether。C.宾语从句用陈述语序。根据句意,故选D。

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