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:艾瑞克,你怎么了?你看来很疲倦。昨天晚上我熬夜准备期终考试呢。pick up意为“拾起,捡起,开车接某人”,wake up意为“醒来”,stay up意为“熬夜”,put up意为“悬挂,张贴,搭建”;故选C。