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:较易
  • 人气:413

— Did he realize the serious situation immediately?
— No. It was quite a long time ________ he really realized it.



A.now that
B.when
C.ever since
D.before
登录免费查看答案和解析

—Didherealizetheserioussituati