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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 1227

There ________ a number of books in the library. The number of the books ________getting bigger and bigger.

A.are is B.are are C.is is D.is are
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Thereanumberofbooksinthelibrar