| A. Yes, I am. B. What a beautiful song! C. A famous picture. D. Hold on, please. E. She is washing the clothes. |
| A．look | B．looking | C．looks |
| A．I’m not | B．I am | C．you are |
| A．be | B．to be | C．being |
| A．just standing | B．just stands | C．standing just |
| A．this is; this | B．I am; that | C．this is; that |
| A．picture | B．pictures’ | C．pictures |
| A．standing up | B．stands up | C．stand up |
| A．is singing | B．are sing | C．sing |
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