16．16．How did they get to the park？ A．On foot． B．By bike． C．By bus． 17．How many groups were they divided into？ A．Two． B．Three． C．Four． 18．What did the students in Group One do？ A．Cleaned the chairs． B．Picked up rubbish． C．Watered flowers． 19．What did the boy do？ A．Cleaned the chairs． B．Cleaned the floor． C．Cut the grass． 20．How did they feel？ A．Tired． B．Happy． C．Sad．
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．
5．16．Mom is not busy today． 17．Mom asks Peter to make the fruit salad． 18．Suzy dislikes chicken sandwiches． 19．Mom asks Bill to clean the bedroom． 20．Jack knows how he can use the cleaner．
