关于血病辨证，下列哪些是血虚证的主要特征A．全身虚弱 B．血液亏少 C．脏腑血脉失养

Reporter: Congratulations!You just won the first prize in the State Tennis Competition.
Michael: Thank you.
Reporter: Michael, how old are you?
Michael: Seven
Reporter: Seven! 小题1:__
Michael: Since I was three.
Reporter: 小题2:
Michael: My father. And I take private lessons, too.
Reporter: How many days a week do you play?
Michael: 小题3:_ I want to practise every day, but my parents say three or four days is enough.
Reporter: Are you going to continue with your tennis?
Michael: Uh-huh I want to be a professional tennis player when I’m older.
Reporter: Wish you greater success!
Michael: Thank you.

A．Who taught you how to play?. B.  About three or four. C.  How long have you been playing tennis?