when you leave the room,make sure( ) the lights are turned off.正确_英语解答

when you leave the room,make sure( ) the lights are turned off.
正确答案为：that,但是为啥不能选填“whether”,意思上不也是讲的通的吗?

人气：387 ℃　时间：2019-10-23 10:51:54

解答

make sure that 是宾语从句,意思是：你离开时,确保灯都关了.
如果用whether,就是弄清楚灯是否被关掉了,和整句的意思不符.