----: I get up at five o'clock tomorrow morning?
----: No, you .
A. Must; can't
B. Must; needn't
C. Can't; can
D. Must; shouldn't
网友回答
A. Must; can't
(答案→)B. Must; needn't
C. Can't; can
D. Must; shouldn't
解析：must意思是必须,一定.其否定回答一般借助于needn’t和don’t have to,表示不必的意思.can,能,可能.can’t不能,不可能;shouldn’t不应该.句意：明天早晨我必须在五点钟起床吗？——不，你不必。故选B。