a;Hello!
b;hello!
a;what do you do in your free time?
b;i often play football.
a;do you often watch football game on TV?
b;yes,i am.
a;which football player do you like best?
b;Ronaldo.
a;oh,i like hem very much,too.
b;what do you do in your free time?
a;i often play basketball.
b;oh,do you like Yao Ming
a;yes,i like hem very much.he is very tall.
b;oh,it's time to go home.bye.
a;bye.