You’ll have to wait a while, as the doctor will finish the operation a moment． [ ] A．at; in B．for; in C．for; after D．after; in 题目和参考答案——青夏教育精英家教网—

题目内容

You’ll have to wait ________ a while, as the doctor will finish the operation ________ a moment．

[　　]

A．at; in

B．for; in

C．for; after

D．after; in

答案：B
解析：

wait for a while意为“等一会儿”，表示动作持续；in a moment意为“过一会儿后”，表示动作将要发生。

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