| A．music room | B．computer room | C．library |
| A．This | B．That | C．This is |
| A．Excuse me. | B．Thank you. | C．Sorry. |
( )| A．Three chairs. | B．Two desks. | C．One door. |
( )| A．Let’s clean the windows. | B．Let’s clean the classroom. |
| C．Let me clean the teacher’s desk. | |
| A．my | B．me | C．I |
a. computer
b. school
c. library
d. playground 
（ ）| A．This is our music room. It’s big. |
| B．This is our playground. It’s big. |
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