问题
It’s a long time ______ I saw you last.—–Yes, and what a pity it is now that it will be a long time _____ we see each other again
A:since; when
B:before; since
C:when; before
D:since; before
B:before; since
C:when; before
D:since; before
正确答案是：
同类题型
There are four ______ students in myschool.
Believe it or not, Lucy’s sister suddenly tears when we were eating.
I really don’t know____I had my walet stolen.
ow Mr. Green has been ill for days–Yes, I wonder if he is ______ better now.
How far is _____ from here to the garden.– _____ about 5 minutes’ walk.