题目内容：

语法填空，,阅读下面短文，按照句子结构的语法性和上下文连贯的要求，在空格处填入一个适当的词或使用括号中的词语的正确形式填空。

In China, more and more middle school students are getting1.（short）sleeping time than before. Most students sleep less than nine2.（hour）every night, because they have much homework3.（do）.Some homework is given by their teachers, and some by4.（they）parents.Also,some students don’t know5. to save（节省） time.They are not careful enough while they do their homework,so it6.them a lot of time.Some students spend too much time7.（watch）TV or playing computer games. They stay up（熬夜）very8._.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 long9._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. 10. 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.