Mr Green has a car. In the morning he takes his children to school in his car. Then he drives to work. Mr Green and his children do not have lunch at home, but Mrs Green does. She does not go to work. She stays at home and does some shopping and cleaning in the morning. In the afternoon she usually goes to see some of her friends, has tea and talks a lot with them. Then she cooks supper for her family. Mr Green comes back home much later than his children. They do not come back in their father's car. They take a bus home. They usually come back home before five. Mr Green's children usually go to school   _  .
on foot by car by bus by train