How long will it take to swim the river? [ ] A．overB．across C．throughD．in 题目和参考答案——青夏教育精英家教网—

题目内容

How long will it take to swim ________ the river?

[　　]

A．over

B．across

C．through

D．in

答案：B
解析：

解析：across除表示在物体的表面上运动，从一头到另一头外，还可表示从一边跨到另一边，通常指路、河、街道等，故选B。

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