must开头的疑问句的否定回答是什么?答:回答:Yes,you may/ can.No,you mustn't / You'd better not.一般疑问句用must的例如:Must I clean my room?回答:Yes,you must.No,you needn't.may释义如下:作名词:五月May, fifth month,青春youth, prime, adolescence, bloom, adolescency, May。作动词:可can, may, be able to, ...