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-Ithinkourteacher.Mrs.Allen,knowseverything.-Iagree.Becausesheover2,000books.()A.readB.hasreadC.readsD.isreading

题目详情

-I think our teacher.Mrs.Allen,knows everything.
-I agree.Because she        over 2,000 books.(  )

A. read

B. has read

C. reads

D. is reading

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答案和解析
答案:B.
根据语境"因为她已经读了2000多本书了."强调过去的动作对现在造成的影响,判断用现在完成时.现在完成时的构成是:主语+have/has+动词的过去分词;主语是she,助动词用has,故答案为B.