问题

Have you _________ chatted with your friends onthe Internet— No, ________.
A:ever; never
B:ever; yet
C:never; ever
D:never; never
B:ever; yet
C:never; ever
D:never; never
正确答案是:
同类题型
However much you have done, you ought tothe help you’ve received from others.
She felt as if every drop of emotion had been her.[ ]
Generally speaking,________ according to the directions,the drug had no side effect[ ]
Students _____ remain in their seats until all the papers have been collected.[ ]