Don’ttoo late or you will feel tired in class tomorrowA. wake upB. get upC. stand upD. st

问题补充：

Don’ttoo late，or you will feel tired in class tomorrow．

A. wake up

B. get up

C. stand up

D. stay up

答案：

A. wake up

B. get up

C. stand up

(答案→)D. stay up

解析：词义辨析。wake up醒来；get up起床；stand up起立；stay up

熬夜。句意：不要熬夜太晚，不然你明天上课会感觉很累。所以选D。