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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
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The average cost of school residential trips was £ 48 in primary schools and £ 55 in secondaries in 2003, but £ 144 and £ 274      in 2009.

A.regularly B.relatively C.respectively D.responsibly
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Theaveragecostofschoolresident