找出下列句子的一處 語法錯誤：

　　Since the Internet is not an easy forum to supervise, it is the responsibility of teachers and parents to teach children the fine line between free speech and cyber bullying in order to protect anyone who get hurt from this new type of school violence.

　　♜ 適用考題：

　　When you have a friend for a long time, whether you will continue the friendship even he or she does something you do not like. (2015.5.30)

　　答案：

　　When smart traffic lights are set up and traffic management software is installed, the number of green lights on each street has been optimized to avoid traffic congestion as well as to allow ambulances to reach incidents without any delay.

　　* software (不可數(shù)名詞)軟件;托福寫作常用不可數(shù)名詞，還有：education, transportation, equipment, evidence, globalization, feedback, homework, advice, information等。