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You _____ tell him the news.They told him just now.

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You _____ tell him the news.They told him just now.
A.need not to ; B.don't need to ; C .need to ; D.needn't
正确答案是哪个B或D,帮我分析下哈
请大家帮我分析下哈 正确答案其实是B
B选项 need是行为动词 所以要用助动词don't ; D选项是情态动词 所以否定是needn't.这是need的两种类型 意思一样 就是词性不一样 变成 否定就不一样 .