中文谷Studentsinourschool
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问题详情：
Students in our school ________ know shouting is not allowed in the library.
A. can B. may C. must D. need
【回答】
C
知识点：情态动词
题型：选择题
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问题详情：
Students in our school ________ know shouting is not allowed in the library.
A. can B. may C. must D. need
【回答】
C
知识点：情态动词
题型：选择题
