52单词网 > 高中英语 > 高中英语题库 > You were out enjoying yourself when you . A. must have studied B. would have stu

You were out enjoying yourself when you . A. must have studied B. would have stu

来源:网络 时间:
You were out enjoying yourself when you . A. must have studied B. would have stu

You were out enjoying yourself when you _________.

  A. must have studied B. would have studied

  C. should be studying  D. ought to have been studying

 

试题答案

D