情态动词Can i keep the story book for two weeks?
A.yes,you must .B.yes,you may C.yes,you need .D.no,you can't
选项是D.
因为选项D.no,you can't中的can与前面的Can一致.除了Must提问的句子,回答【允许时
用You may/ can】,回答【否定“不必要”用You needn't】.【其他情态动词,应该前后一致】,你说是吗?呵呵，由need构成的疑问句，肯定用must或have to否定用needn't