If you leave early on weekdays, do it quietly. The other classmates are also dying to have an early leave.
A. can
B. must
C. should
D. may
网友回答
A. can
(答案→)B. must
C. should
D. may
解析:句意:如果你在周内硬要早离开的时候,请悄悄的,其他的学生也渴望能早点离开。must此处在这里表示一种感情色彩,意为“偏要,硬要”,故选B