----What’swrongwithyou,Eric?Youlooktired.     ----I

问题详情：

----What’s wrong with you, Eric? You look tired.

      ----I________ to prepare for the final exam last night.

A picked up    B woke up    C stayed up    D put up

【回答】

C

知识点：动词和动词短语

题型：选择题