A：Hello,everyone.I'm Ann.Now,I will introduce a spacial guest to all of you.
His name is Bob.
Hi,Bob，very nice to meet you!B：Hi,Ann, nice to meet you!A：Now I will ask you a few questions,can I?B：Yes,please.A：Can you tell me what do you do?B：I'm a teacher.
A：Good,I guess you like children.B：Yes,I do...
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