问题描述: Listen!Someone is singing next door.Who ( ) it be?填can还是may? 1个回答 分类:英语 2014-09-20 问题解答: 我来补答 can 因为只有它可用在问句中表推测 .may不用于问句可用于肯定句和否定句的推测.如there is a book,whose can it be?it may be Tom's.mr li may not come by bus because he likes driving. 展开全文阅读