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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 2114

In our school library there        a number of books on science and the number of them           growing larger and larger.

A.is , are B.are , is C.has , is D.have , are
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Inourschoollibrarythereanumber