把对话补充完整，并将序号写在横线上。A. Please open the book. B.Good morning, Xiao Li . C.I’m sorry, teacher.
Look at the fish．A．Oh! A goose． B．Wow! What a big fish!
Who's that man?A．He's Mr. Black． B．She's my mother．
How many birds can you see?A．How nice! B．I can see thirteen．
I'm sorry．A．It's OK! B．Thank you!
Where are you from?A．I'm from China． B．I' m a student．
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