| A．What's in the kitchen? | B．Where's the kitchen? |
| A．What's in the classroom? | B．What's the classroom? | C．Where's the classroom? |
| A．clean | B．to clean | C．cleaning |
| A．Let me go and see. |
| B．Let’s go and see. |
| C．Let them go and see. |
| A．Let | B．Let’s | C．let’s |
| A．What | B．What’s | C．Where’s |
| A. Really? Let's go and have a look. B. A board, two lights, many desks and chairs. C. His name is Zhang Peng. D. Thirty. E. I have 23. |
| A．Really? | B．Oh, the door is orange. | C．Let me clean the windows. |
| A．What's in the classroom? |
| B．Where's the classroom? |
| A．No, they aren’t. | B．No, they are. | C．Yes, they aren’t. |
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