首页 / 高中英语 / 试题详细
  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 849

— Why is the chemical plant closed?
— Because large quantities of waste water ______ into the Yangtze River.

A.has been released B.is being released C.was released D.have been released
登录免费查看答案和解析

—Whyisthechemicalplantclosed?—