1．16．What does Tom like doing？ A．Doing exercise． B．Doing his homework． C．Doing some cleaning． 17．How often does Tom play soccer？ A．Twice a week． B．Three times a week． C．Three times a month． 18．Tom thinks is bad for his health． A．smoking B．drinking C．fast food 19． are good for Tom's heart and lungs． A．Swimming and running B．Walking and running C．Singing and dancing 20．What does Tom usually have for breakfast？ A．Milk and bread． B．Milk and vegetables． C．Juice and hamburgers．
