看图,选择合适的介词填空。
- Can I help you, Tim?
- Yes. I need a ruler. Give me a ruler, please.
- Where is it?
- It's the bag. Give me a pencil case, please.
- Where is it?
- It's the table. Give me a ball, please.
-Where is it?
- It's the table.
- Here you are.
- Thank you. Oh, where is my chair? I can't find it.
- Don't worry. It's here, the table.
![](http://tikupic.21cnjy.com/d1/27/d127fc8519508b0cc5e85272a0fc9bc1.jpg)