I`m leaving now.( )you turn off the lights.A To make sure B Make sure C Made sure D Making sure

问题描述:

I`m leaving now.( )you turn off the lights.A To make sure B Make sure C Made sure D Making sure

我现在出去。()你关灯。一个以确保B确保C确定D确保

B. 是祈使句:确保你关了灯,
后加从句

这道题考察非谓语从句.非谓语从句三个结构:to do,现在分词,过去分词.而to 是表目的或结果,过去分词表被动,都不能符题意.所以选D.(绝不能用动词原形)

B.