My father is ( )Shanghai now.

问题描述:

My father is ( )Shanghai now.
括号里填介词

My father is (in)Shanghai now.这里考in,on和at的区别,in后接大地方,比如in China,in Bei jing.at后接小地方,比如at school,at the post office.on 后面接的是一般的泛指,或者指事物的表面,如on the earth,on the d...