| A．I like P. | B． |
| C．Math is very difficult. |
| A． Thank you. |
| B． You’re welcome. |
| A． How old are you? |
| B． How are you? |
| A．No smoking. |
| B．No food. |
| C．No cameras. |
| A．Where are you, Helen? |
| B．Where are you from, Helen? |
| C．What are you, Helen? |
| A． Which toy is it? |
| B． Whose toy is it? |
| A． Nice to see you again. |
| B． Glad to meet you, too. |
| A．Here is the money. |
| B．How much is the pencil? |
| C．How much is the schoolbag? |
| A．This is our school. |
| B．This is our math teacher. |
| C．These are our teachers. |
| A．Who is she? |
| B．Whose book is this? |
| C．Whose books are these? |
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