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:1370

—Have you seen your friend off ?
—Yes. I watched the train leaving the station        it disappeared from sight.

A.unless B.as if C.so that D.until
登录免费查看答案和解析

—Haveyouseenyourfriendoff?—Yes