--Why are your eyes so red? You _______
题型:选择题
问题:
--Why are your eyes so red? You _______ have slept well last night.
A.can't
B.mustn't
C.needn't
D.won't---Yeah, I stayed up late writing a report.
--Why are your eyes so red? You _______ have slept well last night.
A.can't
B.mustn't
C.needn't
D.won't---Yeah, I stayed up late writing a report.