问题补充：
– Must I get up early tomorrow morning?
– No, .
A. you mustn’t
B. I don’t think you have to
C. you can’t
D. you need
答案：
A. you mustn’t
(答案→)B. I don’t think you have to
C. you can’t
D. you need
解析：考查情态动词的用法。情态动词must引导的一般疑问句的否定答语为“No, sb. needn’t./ No, sb. don’t have to .”故选B。。
