问题 选择题

—I’m leaving now.

—______ you turn off the lights and the computer.

A.To make sure

B.Make sure

C.Made sure

D.Making sure

答案

答案:B

考查祈使句的用法。句意是:确保你关了灯和电脑。这是一个祈使句,空后面的内容是Make sure的宾语从句;祈使句省略主语you,以动词原形开头。

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