| A．What’s in the classroom? | B．Where’s in the classroom? |
| A．Where is the eraser? |
| B．Where is the pen? |
| A．The wall is white. |
| B．The blackboard is white. |
| A．Open the light. | B．Turn on the light. |
| A．Clean the door, please. | B．Clean the window, please |
| A．It’s so big. | B．It’s so nice. | C．It’s so beautiful. |
| A．Let’s clean the window. | B．Let me clean the board. |
| A．What’s in the classroom? | B．What’s on the wall? |
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