一道有关情态动词的英语选择题---When can Ifetch my clothes?I need them this evening.---They ____ be ready by 4 o'clock.A.can B.should答案选的是B.求教：为什么不能选A?

分类: 作业答案 • 2021-12-19 16:31:32

问题描述：

一道有关情态动词的英语选择题
---When can Ifetch my clothes?I need them this evening.
---They ____ be ready by 4 o'clock.
A.can B.should
答案选的是B.
求教：为什么不能选A?

答