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 998

At a beach or a swimming pool a lifeguard is a person who is responsible for __________ other swimmers and protecting them from accidents.

A.turning to B.watching over C.watching out D.digging out
登录免费查看答案和解析
相关知识点

Atabeachoraswimmingpoolalifegu