问题补充:
--- Have you chatted with your friends on the Internet?
--- No, .
A. ever; never
B. ever; yet
C. never; ever
D. never; never
答案:
(答案→)A. ever; never
B. ever; yet
C. never; ever
D. never; never
解析:ever曾经;neve从来没有;yet 仍旧,还;句意:你曾经和你的朋友在网上聊过天吗?——不,从来没有过。结合语境可知选A。