问题

It’s a long time ago ______ I saw you last time.
A:when
B:since
C:for
D:that
B:since
C:for
D:that
正确答案是:
同类题型
Look! Somebody_______ the sofa.-Well, it wasn’t me. I didn’t do it.
What shall we do if it tomorrow?
To be well-informed , we should be ______ communication _____ each other about what happens to us.
The meeting ______ for a week .
He is _______ clever boy that he can solve _____ many difficult problems.