Jack usually chats _______ the phone _______ his friends.  (   )

A．with; on

B．on; at

C．at; on

D．on; with

This book is_______dogs. (    )

A．about

B．at

C．Chinese

填空，选出正确的单词。 
（_______） 1. Look (at, in) this building.  
（_______） 2. (Don’t, Can) call it a small classroom. 
（_______） 3. This (is, are) our library.   
（_______） 4.There (is, are) a meeting room over there.
（_______） 5. Welcome (to, for) our school.
（_______） 6. (Do, Does) you often come to the library.
（_______） 7. There (is, are) many books in the library.
（_______） 8. That (is, are) great.
（_______） 9. We often borrow some book (from, to) our library.

The boy used boxes ________ his football. (   )

A．as

B．for

C．of

This is a guide ________ us to visit Beijing.(   )

A．for

B．to

C．with