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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 较易
  • 浏览 746


“Meals on wheels” is a free service, ____ hot meals are delivered to elderly people who may not be able to move around very easily.

A.that B.which C.where D.what
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Mealsonwheelsisafreeservice,ho