i have not been to shanghai.这句英语为什么要用 been
i have not been to shanghai.这句英语为什么要用 been
i have been to shanghai为什么加been?
I have been to Shanghai
I have ever been to Shanghai改成否定句
I have been to Shanghai.(变否定句0
have been to shanghai
I have never been to shanghai.( ) ( )she
I have never been to shanghai.________?
I have been to shanghai 什么时态
请问一下I have been to shanghai
i have been to Shanghai?和i have been Shanghai?哪个对?请详解.
-Have you been to Shanghai?