问题

You can make a ______ by turning off the light afteryou leave the house
A:then
B:when
C:while
D:as
B:when
C:while
D:as
正确答案是:
同类题型
I can’t find my dictionary.–Don’tworry about your lost book. You can use _______.
It’s easy to make friends, but it’s difficult to keep the ________ longer.
Tom didn’t come last night,did he?—No.I _______ have waited for him.A whole night was wasted.
She’ll come back in _______ hour ,
u enjoy yourself at theconcert—-Yes, I could not have myself________.—-It was perfect.