at the desk和on the desk区别是什么
at the desk和on the desk区别是什么
at the desk和 near the desk区别是什么
at the desk和 at desk的区别是
sit at desk 和sit on the desk有什么区别
at desk/table,at the chair/desk的区别
The pencil is long on the desk和The pencil on the desk is lon
the book on the desk 和the book is on the desk 哪句是对的·?
( )the baseball on the desk?
The book on the desk
What's there on the desk?与 What's on the desk?区别?
What's this on the desk?与What's on the desk的区别.
The book is on the desk中介词短语on the desk 的句子成分是什么?