题目

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 句意为：据报道，一架载有5人的飞机几天前坠入山中。on board相当于aboard。意为“在飞机(船)上”，为固定搭配。  

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