问题

n I ask you a favor—Sure, ________
A:when
B:before
C:that
D:since
B:before
C:that
D:since
正确答案是:
同类题型
It was so noisy that we couldn’t hear ______ speak.
Did you connect a friend or relative
I think computers are _______ more important than radios.—I don’t agree with you.
Stand over there _____ you will be able to see the oil painting better
一I turn on the TV for you,Grandpa一Yes,thanks a lot,my dear.You’re so considerate.