Playing computer games is delightful, but _______ (spend) too much time on it may do harm.
用动词的适当形式填空
人气：392 ℃ 时间：2019-08-20 16:21:10
解答
spending
这里有but 所以 两个句子的动词形式要一样 平行原则
前半句用playing 这里就用spending
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