题目内容：

补充对话.（每空一词）
A:Good morning.
B:_____ ______
A:I'm a new student in this school.
B:Welcome ________ our ________.
A:Thank you.May I know you name?
B:_______ Lin Tao.
A:_______ _______ ______ ______
B:Nice to meet you,too.
A:Where's the teacher's office,please.
B:It's_____ _____.____ _____,please.