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  • 科目:英语
  • 题型:单选题
  • 难度:中等
  • 人气:1267
题文

To keep healthy ,Mr. Lin __________ climbing as a regular form of exercise after he retired .

A.took up
B.took on
C.made up
D.made in
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Tokeephealthy,Mr.Linclimbingas