_____you turn off all the lights when you leave the classroom.

题目

_____you turn off all the lights when you leave the classroom.
A.Making sure B.Make sure 为什么选B 如果选 make sure 句子中不是出2个谓语吗 make sure 和 turn off 该怎么解释呢

答案

B.Make sure 是对的.
是有两个谓语,但它们属于不同的句子.make 是主句的谓语,而turn off 是宾语从句的谓语,它们并不矛盾.