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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 1179

Some people believe that they would be better off     more adaptive activities in their leisure time, such as establishing relationships and teaching their children.

A.doing B.to do C.having done D.to be doing
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Somepeoplebelievethattheywould