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题型：语法填空（单句） 题类： 难易度：普通
北师大版（2019）选择性必修第四册Unit 11 Conflict and Compromise 情态动词基础练习
--OK. You __________ have one if you behave well.
Charlie Chaplin made people laugh at a time when they felt depressed, so they could {#blank#}1{#/blank#}.
—I'm watching the football game.
—What? You {#blank#}1{#/blank#} have done your homework first.（填写适当的情态动词）
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