It’s reported that a plane with five people crashed into the mountain several days ago． [ ] A．on board B．on the board C．in board D．in the board 题目和参考答案——青夏教育精英家教网—

题目内容

It’s reported that a plane with five people ________ crashed into the mountain several days ago．

[　　]

A．on board

B．on the board

C．in board

D．in the board

答案：A
解析：

on board意为“在船上、在飞机上”，为固定的介词短语。没有B、C、D这样的搭配。

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