—___we take a rest i can't go any further .
问题描述:
—___we take a rest i can't go any further .
---you ___be tired ----we're only walked for 20 minutes!
Amay ,mustn't B shall ,can't C can;may not D shouldn't ;wouldn't
the answer is B,tell me why
答
Shall 用来征求建议或请求 shall we/ i/ he用于 1,3人称
can 用于 1,2人称
may 用于 第一人称
can't 表示推测,不可能 may not可能不
musnt't 不能表示推测,它是禁止,不准的意思
有问题再追问吧!