what's加介词和what's that加介词的回答有什么区别
问题描述:
what's加介词和what's that加介词的回答有什么区别
问问
答
前者用it is``````回答,后者用that is
what's加介词和what's that加介词的回答有什么区别
问问
前者用it is``````回答,后者用that is