| A．You can’t put the toys here. |
| B．Can you put away your toys? |
| C．Can they put on the coats? |
| A．I can help my mother do housework. |
| B．I can sing a song with my mother. |
| C．I can’t clean the room. |
| A．What is Tony going to do? |
| B．What is Tony doing? |
| C．What did Tony do yesterday? |
| A．What are you doing? |
| B．Thank you very much. |
| C．That’s all right. |
| A．Sorry. I’ m busy now. |
| B．I can’t do that. |
| C．I don’t want to do that. |
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