关于关心同学的英语小对话

A:Hi,Mike.
B:Hi,John.
A:It's cold today.You'd better put on warm clothes.
B:Yes,I'm wearing a sweater.
A:You look very weak.You'd better take more exercises.
B:Of coure.I'm going to play football after school every day.
A:I hear your parents have gone to Beijing.Take care of yourself.
B:Yes.Thanks a lot.