选择合适的选项补全对话。
A. Nice to see you again B. I'm from the UK. C. Good morning.
D. What about you? E. Welcome back to school.
Tom：____, Miss white
Miss white: Good morning, Tom .____
Tom: Nice to see you too.
Miss white: ____we have a new friend today.
Mike: Hi, I'm Mike. I'm from Canada.____
Tom: Hi, I'm Tom.____welcome !
Mike: Thank you.
