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7.---It's the office!So you _____ know eating is not allowed here.
---Oh,sorry.(  )
A.mayB.willC.mustD.need

分析 ---这儿是办公室,因此你必须知道这儿是禁止吃东西的.---对不起.

解答 答案:C
must 必须;will 表意愿;may 也许;need 需要;句意表达的是禁止.故选C.

点评 情态动词的用法是英语中常考的语言点.通常考查的方式有虚拟和推测,本题考查的是情态动词的基本用法.学习时要注意积累.

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