A Hello,what are you going to do this afternoon?
B i don't know.what's up?
A how about go hiking?
C I think swimming is much better.
B Yeah,it's very hot.
D i agree with you.i like swimming.
E But i cannot swim,i'm afraid os water
C Come on.You're a big boy.
D Maybe i can teach you.
E OK.let me have a try.