优题课 - 聚名师,上好课(www.youtike.com)
  首页 / 试题 / 高中英语 / 试题详细
  • 科目:英语
  • 题型:单选题
  • 难度:中等
  • 人气:1343

________basic firstaid techniques will help you respond quickly to emergencies.

A.Known B.Having known
C.Knowing D.Being known
登录免费查看答案和解析

basicfirstaidtechniqueswillhel