问题补充:
— 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
答案:
A. picked up
B. woke up
(答案→)C. stayed up
D. put up
解析:句意:-你怎么了,Eric?你看起来很累。-我昨天晚上熬夜为期末考试做准备。pick up 拾起,捡起;wake up 唤醒;stay up 熬夜,不睡觉;put up 张贴,搭建。根据句意可知选C。