题目内容
17.Playing computer games cost the boy plenty of time that heshouldhave spent doing his lessons.分析 玩电脑游戏花费这个男孩大量的时间,这些时间本来应该被用来做功课的.
解答 10.should,根据句子意思"这些时间本来应该被用来做功课",表示本来应该做某事而没做用should have done,故答案为should.
点评 此题考查固定搭配,在平时的学习中,对某些动词短语要多加以积累.
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