In China, more and more middle school students are getting{#blank#}1{#/blank#}（short）sleeping time than before. Most students sleep less than nine{#blank#}2{#/blank#}（hour）every night, because they have much homework{#blank#}3{#/blank#}（do）.Some homework is given by their teachers, and some by{#blank#}4{#/blank#}（they）parents.Also,some students don't know{#blank#}5{#/blank#} to save（节省） time.They are not careful enough while they do their homework,so it{#blank#}6{#/blank#}them a lot of time.Some students spend too much time{#blank#}7{#/blank#}（watch）TV or playing computer games. They stay up（熬夜）very{#blank#}8{#/blank#}.Some students have to get up early every morning on weekdays to get to school on time by bus or by bike. It can be a long{#blank#}9{#/blank#}from home to school.

    Schools and parents should cut down some of the homework so that our children can enjoy more than nine hours of sleep every night for their health.{#blank#}10{#/blank#} children, we should make best use of（很好地利用）our time. When we have enough time for sleeping, we will find it much better for both our study and health.