题目内容
-- Can I tell Peter about the news?
-- No, I don’t want anyone else to know it. You ________ keep it to yourself.
-- No, I don’t want anyone else to know it. You ________ keep it to yourself.
A.must | B.need | C.can | D.may |
A
考查情态动词的用法。情态动词可以表示允许。Must“必须”;need“需要”;can“可以”;may“可以”。“我能把这个消息告诉皮特吗?”“不,我不想让其他任何人知道它。你必须保密。”根据答语可知,语气比较强,应该用must。故选A。

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