| A．This is my home. |
| B．Here’s my homework. |
| A．Do you have a computer room? | B．We have a computer room. |
| A．This is our computer room. | B．This is our art room. |
| A．Here’s my homework. | B．This is my classroom. |
| A．Come into the kitchen.,please. |
| B．Come into the living room,please. |
| A．This is our playground. | B．Is this your playground? |
| C．Your playground is big. |
| A．Where's the teachers' office? | B．Is this the teachers' office? |
| A．Is this the computer room? | B．Is that the computer room? |
| A．It's on the two floor. | B．It's on the second floor. |
| A．How many students are there in your class? | B．Forty-five students. |
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