题目内容

. How ______ou say that you really understand the whole story if you have covered only a part of the article?

A. can B. must C. need D. may

A 【解析】句意：如果你仅看了这篇文章的一部分你怎么说你真的理解了整篇文章呢？A. can能，表示推测时，往往用于否定句或疑问句；还有惊异、怀疑、不相信之意； B. must一定，表示推测时，只用于肯定句中； C. need需要； D. may也许。这里是疑问句，表示推测，应该用can，故选A。
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