—Is it interesting to play computer games?—Yes you are interested in playing computer ga

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。