听一听，选择恰当的答语。(24分)
( )（1）A.Three ducks. B.He's three.
( )（2）A.My name is Chen Jie. B.I'm ten.
( )（3）A.Nice to meet you. B.Thank you.
( )（4）A.Sure.Here you are. B.Look！
( )（5）A.Happy birthday！ B.Thank you.
( )（6）A.I'm eight. B.I have eight.
