试题 试卷
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
—Maybe he got caught in the rain.
—Then you must have visited the Great Wall during your stay, ________ you?
—Oh, it's too bad. You________ have made full preparations.
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