公共英语一级

单选题Before we leave，make sure __________there is some paper in your bag．

A．which
B．what
C．that

参考答案：C进入在线模考
句意：在我们离开之前，你要确保包里有纸。本题考查的是make sure后接宾语从句的用法。which引导定语从句，what引导名词性从句。故C正确。【知识拓展】make sure后面的宾语从句表示将来的事情时，通常采用一般现在时代替。除了搭配宾语从句，还有make sure of和make sure to do的用法，都表示确保。

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