—Is it interesting to play puter games?
—Yes, you are interested in playing puter games, you’ll have trouble giving it up.
A. once
B. twice
C. as
D. as soon as
网友回答
(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。