Q:that must be a mistake 为什么回答是NO,it can't be.而不是no,it can't?
问题描述:
Q:that must be a mistake 为什么回答是NO,it can't be.而不是no,it can't?
我打得太快,没有分大小写
答
这句话的主语是it,但真正动词是be.can是助动词
所以要么说 it can't be;要么说 it is not.