题目内容
18．As a student，you shouldn't spend so much timeplaying （ play） computer games every day．分析 作为一个学生，每天你不应该花那么多时间玩电脑游戏．
解答 答案：playing 根据题干，结合提示，可知句意为：作为一个学生，每天你不应该花那么多时间玩电脑游戏．spend…doing…，花费时间/金钱做某事．提示play，动词，玩．play的ing形式为playing，故填：playing．
点评 本题主要考查doing，应该掌握spend…doing…，花费时间/金钱做某事．这一句型．
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