◎ 题干
.--I sent him a most interesting story book  by mail this morning.
--You____so; he's coming tomorrow morning.
A.needn't doB.needn't have doneC.don't need to doD.didn't need do
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“.--I sent him a most interesting story book by mail this morning. --You____so; he's coming tomorrow morning.A.needn't doB.needn't have doneC.don't need t…”主要考查了你对  【虚拟语气】【情态动词】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。