优题课 - 聚名师,上好课(www.youtike.com)
  首页 / 试题 / 初中英语 / 试题详细
  • 科目:英语
  • 题型:单选题
  • 难度:中等
  • 人气:815

  It is difficult for us to learn a lesson in life     we’ve in fact had that lesson.

A.until B.after
C.since D.when
登录免费查看答案和解析

Itisdifficultforustolearnaless