单项选择题
A．be the top student of the school B．bring great honor to his school C．constructs a robot with the Lego sets D．win the thousand-dollar prize
A．wearing contact lenses too long B．going to the movies C．reading a lot D．not visiting your eye doctor
A．how many broad windows a room has, through which sunlight might come in B．the size of a room C．whether there are beautiful walls in a room D．what the room looks like