根据短文内容，完成下列小题。

    Mr. Green is a doctor. He works in a hospital. The hospital is very near. So he walks there every day.

    Mrs. Green and her daughter Kate are both teachers. They teach in the same school. They go to work by car. They leave home at 8 o'clock in the morning and they get back home at 4 in the afternoon. Jim Green and his sister Jenny are students. Jim goes to school by bus and Jenny takes a bus, too. Some of their friends walk to school. Jim and Jenny get home at 4:30 in the afternoon. They do their homework before dinner and they watch TV after dinner. They often go to bed early.