问题补充:
—Is it interesting to play computer games?
—Yes, you are interested in playing computer games, you’ll have trouble giving it up.
A. once
B. twice
C. as
D. as soon as
答案:
(答案→)A. once
B. twice
C. as
D. as soon as
解析:此题考查连词once的用法,表示“一旦…”句意:玩电脑游戏有趣吗?--是,一旦你对电脑游戏感兴趣了,你就很难戒掉。As做连词,表示:因为,随着,按照,as soon as表示:一…就,twice是两次。选A。