1.My father______ride a bike,but he______drive a car.
2.You are ill,Tom. You________see the doctor.
3.Children______play football in the street.
4.If you are not careful, a car_______hit you.
5.-______I come in? -Come in,please
6.A blind man_______see anything.
7.Please ask the policeman.He_______know the way to the hospital.
8.-May I use your telephone? -No,you_______
9.-______you help me? -sure!