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.