_____he is only 8 years old,he knows more about science than his father.
【2013湖北襄阳】—Driving less, walking more is good for our health. —So I'd rather an hour's walk to work than consider a car.
【2013湖北孝感】—Dad, why must I stop ______ computer games?—For your health, my boy.
【2013广东】—I didn’t hear you come in just now.— That’s good. We tried _______ any noise, for you were sleeping.
【2013广东广州】I always tell my students ______ on the road because it’s really dangerous.
【2013山东枣庄】Why are you a T-shirt? You’ll probably catch a cold in this cold weather