at the desk和 at desk的区别是

at the desk和 at desk的区别是 at the desk和 near the desk区别是什么 at the desk和on the desk区别是什么 sign at the first desk at desk/table,at the chair/desk的区别 sit at desk 和sit on the desk有什么区别 “A chair is at the desk. The woman at the desk is Mrs Green?对at the desk划线提问. at the desk固定搭配?一定用at? the student is sitting at his desk 为什么用at? Look at the three (box) on the desk Lets look at the book on the desk改错 The man (work) at the desk for over 10 hours Do you know the girl at the desk?-Yes,_______ He spent all day at his desk.为什么不是on the desk Costomers must leave their bags at the desk. at a desk 与 on a desk的区别 Look at the picture!A desk is itLook at the picture!A desk is it在图片里还是在图片上,用in还是on