—For two hours, I think.

    Cathy is a middle school student. She is twelve. She is a good student. She gets up very early every morning. She reads English for twenty minutes and then she has breakfast. She often has milk and bread for breakfast.

    At seven she leaves home for school. She goes to school on foot. She doesn't go to school by bus. She says, "Buses are too crowded and sometimes they are slow. It doesn't take her long to walk to school. It only takes her twenty minutes.

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    Our body rests while we sheep. Our body grows most while we are asleep. Children who are tired usually need more sleep. We can get at our lessons better, after we have had plenty of rest. Boys and girls who are eight or nine years old need ten hours of sleep every night. If we do not get enough fresh air, we will feel tired when we wake up. While in bed we must not cover our heads. Our lungs need to get enough fresh air. If we open our windows at night, we can have plenty of fresh air. Cool air is better than warm air.