问题
选择题
--What’s wrong whti you, Eric? You look tired.
--I ______________ late to prepare for the final exam last night.
A．picked up
B．stayed up
C．woke up
D．put up
答案
答案：B
题目分析：句意：Eric，你怎么了？你看起来很累。我昨晚为了准备期末考试熬到很晚。A. picked up “拾起”；B. stayed up“熬夜”；C. woke up“醒来”；D. put up“挂起”。结合句意，故选B。