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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 1783

Students in their school ___________  trees on Tree Planting Day every year.

A.require to plant B.require planting
C.are required to plant D.are required planting
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StudentsintheirschooltreesonTr