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---- Dad , why should I stop ____ computer games ?
----- For your health , my boy , I’m afraid you _______ .

---- Dad , why should I stop ____ computer games ?

----- For your health , my boy , I’m afraid you _______ .

A．to play; must                           B．playing; have to

C．to play ; can                           D．playing ; may

--Dad, why should I stop       computer games?   

--For your health, my boy, I’m afraid you      .