| A．Thank you. | B．Here you are. | C．You’re right. |
| A．Good morning! | B．Really? | C．Good idea. |
| A．Where | B．Who | C．What’s |
| A．Excuse me. | B．You're welcome. | C．OK. |
| A．It’s so big. | B．It’s so fat. |
| A．Let me help you. | B．Thank you. |
| A．Excuse me. | B．Thank you. | C．You’re welcome. |
| A．Yes, please. | B．No, I don't. | C．Thank you. |
| A．Are you OK? | B．Look at the blackboard. |
| A．We have a new classroom. | B．Where is my schoolbag? |
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