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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 较易
  • 浏览 671

If you are in a warmer place and can get your skin _____ to the sun for 20 minutes per day, you will need less vitamin D.
A. exposing     B. being exposed
C. been exposed  D. exposed

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Ifyouareinawarmerplaceandcange