题目内容：

Mobile phones are becoming more and more popular not only with1.(grown-up) but also with students. Meanwhile,they also2.(become) a problem for middle schools in the past few years.Some children have got mobile phones3.Christmas or birthday gifts,and more will still want them.

Many like SMS because it is4.(ease) and quick.Some parents felt happy because they could communicate with their children.Some teachers said mobile phone use5.(be) a distraction（分心的事）to students during school hours and6.also gave them much trouble in their classrooms.Sometimes students might use phone messages7. (cheat) during exams.A new study found that some teenagers sending messages in class even hurt their fingers because they can't stop8.(send) SMS.

Many teachers suggested that students should not have phones at school,but if there was a good reason,they could leave their phones at school office.And even they can use the telephone in the teachers’ office instead.Many people think they understand the reason9.parents would want their children to have them,but they agree schools should tell the students10.(use) their mobile phones at proper times.