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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 容易
  • 浏览 226

Compared with 2 million tons last year, our coal output has increased _____
three times; that is to say, our coal output has increased_____8 million tons
this year.

A.to; to B.to; by C.by; by D.by; to
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Comparedwith2milliontonslastye