--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

潮州菜的特点有（）。

A.海鲜品种多

B.素菜品种多

C.菜式品种变化不多

D.甜菜品种多