问题补充:
-- Can I tell Peter about the news?
-- No, I don’t want anyone else to know it. You keep it to yourself.
A. must
B. need
C. can
D. may
答案:
(答案→)A. must
B. need
C. can
D. may
解析: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。