Whose that book on the floor is?It ---mine.Mine is on the desk. A can,t be B mustn,t be 选什么 WHY

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/03 00:50:41
Whose that book on the floor is?It ---mine.Mine is on the desk. A can,t be B mustn,t be 选什么 WHY

Whose that book on the floor is?It ---mine.Mine is on the desk. A can,t be B mustn,t be 选什么 WHY
Whose that book on the floor is?It ---mine.Mine is on the desk. A can,t be B mustn,t be 选什么 WHY

Whose that book on the floor is?It ---mine.Mine is on the desk. A can,t be B mustn,t be 选什么 WHY
选A,can't 用于否定句中,表示否定的推测.这句话的意思是 地板上的书是谁的?它不可能是我的,我的在桌子上.表示否定的推测.而mustn't 表示禁止做某事,与题意不符.

A can't表示不能;mustn't表示禁止。

选A
意为:那本在地板上的书是谁的?
那不可能是我的。我的书在桌子上
mustn't只有一个意思,就是禁止
can't表示对现在情况的肯定性推测

选A can,t be
因为语法就是这样