—Hi,Helen.Youlooktired.Whathappened?  —I

问题详情：

— Hi, Helen. You look tired. What happened?

   — I____ well last night.

A. didn’t sleep     B. hadn’t t slept      C. don’t sleep     D. haven’t slept

【回答】

A

知识点：动词时态

题型：选择题