Question

—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

Answer 1

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。