碳化硅坩埚耐温:初级英语问题

来源:百度文库 编辑:神马品牌网 时间:2024/05/10 13:44:49
who isn't at school today?和who's not at school today?表达的意思一样吗?哪个正确?

前者不通,后者对,为WHO IS NOT AT SCHOOL TODAY?的缩写

who isn't at school today?是病句.没有人这样说.

第一个句子是错的,没有人这样说.