—Hi,Helen.Youlooktired.Whathappened? —I 国语站 题库 1.92W 大中小设置文字大小 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 TAG标签：#
