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 desk.
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 desk.