问题

It was not until midnight ______ they reached the camp site.
A:that
B:when
C:while
D:as
B:when
C:while
D:as
正确答案是:
同类题型
It’s too late. I must be leaving now.— Oh, it’s raining hard outside. You’d better wait it stops.
We can give you a ride into town.—_______ Thank you.
It was Tom as well as two of his classmates that _______ invited to the party.
_____________, the little girl can help her mother with some housework.