听问句选答句。(10分)
( )（1）A.How do you do? B．Fine，thank you.
( )（2）A.We have three. B．We often sing and dance.
( )（3）A.I have lunch at twelve o'clock. B．We draw and paint.
( )（4）A.Yes，we can. B．Yes，we do.
( )（5）A.Once a week. B．On Friday.