题目内容
10．You should stopplaying （play） computer games．You've played it for two hours．分析 你应该停止玩电脑游戏，已经玩了两个小时了．
解答 答案：playing 考查单词填空．考查固定短语stop doing是停下正在做的事；stop to do 停下来去做某事，根据句意你应该停止玩电脑游戏，已经玩了两个小时了．故答案是playing
点评 本题考查用所给单词的适当形式填空，首先要根据语境明确句意，然后再根据相关语法对所给单词在形式上做出正确的变化．
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