问题描述:
--Can I take the magazines out ? --No, sir. They __ out of the reading-room .It's a rule.
A.needn't be taken B.can't take C.mustn't be taken
选什么?为什么?
翻译一下吧~~~
A.needn't be taken B.can't take C.mustn't be taken
选什么?为什么?
翻译一下吧~~~
问题解答:
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