从AB两个选项中找出恰当的一项，将其序号填入题前括号内。
( ) 1. A: Where is Gao Wei? B: .
A. He is at home. B. He is a pupil.
( ) 2. A: Nice to meet you! B: .
A. How do you do? B. Nice to meet you, too.
( ) 3. A: Hello, Jim! B: .
A. Hello. B. Thank you.
( ) 4. A: Are you ready for school? B: .
A. Yes. B. I'm ready.
( ) 5. A: How do you do? B: .
A. Fine, thank you. B. How do you do?
