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。
搜题请搜索小程序“爱下问搜题”