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
— Sorry, sir. But it is the management rule of our hotel that payment _____ be made in cash.
—Well, she _______ be, if she takes these tablets.
—Oh, she . We have already put it off.
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