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:1688

I ____ at my new novel when the big earthquake happened at 2:20 pm.

A.am working B.was working C.have worked D.had been working
登录免费查看答案和解析

Iatmynewnovelwhenthebigearthqu