问题
选择题
Don't _____ too late, or you'll feel tired in tomorrow's classes. [ ]
A. wake up
B. stay up
C. look up
D. give up
答案
答案：B
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Don't _____ too late, or you'll feel tired in tomorrow's classes. [ ]
A. wake up
B. stay up
C. look up
D. give up
答案：B