听音,选出你所听到的句子。(20分)
( )(1)A.Hi,Lucy!
B.Hello,Lucy!
C.Goodbye,Lucy!
( )(2)A.Good afternoon!
B.Good morning!
C.Goodbye!
( )(3)A.How are you?
B.I'm fine.
C.I'm Sam.
( )(4)A.Thank you.
B.Afternoon,Mr Li!
C.I'm Mr Li.
( )(5)A.Morning,girls!
B.Morning,boys!
C.Morning,boys and girls!