题目

Just now, I entered the website “Topic for Today”. I feel    61   (interest) in the report on middle school students’ using cell-phones on campus.   62   (actual), more students now come to school with cell-phones. My schoolmates have different opinions. Some think   63   is convenient to get in touch with others with the cell-phone,   64  also makes you feel safe especially in time of trouble. Besides , it is nice to enjoy various functions of different cell-phones.   65   , others think differently. First, the cell-phone is not   66   must in school, asLook ____ the cat. It is fat. ( )A.atB.onC.an