| A．It's a black dog. | B．It's a red dog. |
| A．Open the window! | B．Open the door! |
| A．How are you? | B．How old are you? |
| A．That is a monkey. | B．This is a monkey. |
| A．Yes. | B．No. |
| A．How are you? | B．Tingting? |
| A．Hello! | B．Goodbye! |
| A．Thank you. | B．Sorry! |
| A．I’m Lingling. | B．Hi, Lingling. |
| A．How are you? | B．What colour? | C．How many? |
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