题目内容：

阅读下面材料，在空白处填入适当的内容(1个单词或括号内单词的正确形式)。

Just now，I entered the website “Topic for Today”. I feel1.________ (interest) in the report on middle school students’ using cell-phones on campus. In fact，more students now come to school 2.________ cell-phones. My schoolmates have different opinions. Some think3.________ is convenient to get in touch with others with the cell-phone，4.________  also makes them feel safe  especially in time of trouble. Besides，it is nice to enjoy 5.________ (variety) functions of different cell-phones.

Others think differently. First，the cell-phone is not6.________ must in school，as there are some IC phones there，7.________ (make) it easy to call others. Second， many students often  play e-games and send 8.________ (message) with their cell-phones，even in class， which will surely have bad effects on their study. What’s more， a large amount of time and money will 9.________ (waste).In my opinion，the cell-phone is a  useful tool in our daily life. But it doesn’t mean we can use it10.________ (free) in school.