从方框中选出最佳选项补全短文。

A.home   B.schools    C.by     D.happy     E.have

In the future，maybe there won't be any（1） 　 　.Students will study at（2） 　 　.They will use computers to （3） 　 　 lessons on the Internet.They can ask their teachers questions （4） 　 　 email.But they won't be（5） 　 　 because they can't make friends at home.