第二节、听句子，选择正确答语。（5分）
( )6.A. Hello! This is a ball.
B. Hi! Good morning.
C. Good evening.
( )7.A. I’m OK.
B. Nice to meet you, too.
C. Thank you.
( )8.A. I’m fine. Thank you.
B. How are you?
C. You are welcome.
( )9.A. Thank you. B. This is Ben. C. You are welcome.
( )10.A. What’s this? B. I’m Mary. C. It’s a map.
