---Don’t too late, or you will feel tired in class tomorrow.
---I won’t, Mom. Good night!
A. wake up
B. get up
C. stand up
D. stay up
网友回答
A. wake up
B. get up
C. stand up
(答案→)D. stay up
解析：wake up醒来，起床；get up起床；stand up站起来，坚持；stay up熬夜，不睡觉。句意：不要熬夜到很晚，否则你明天再课堂上会感到很累。结合语境可知选D。