根据所给的首字母填写单词。
   There are some very good things about open education. This way of teaching a____  the students to develop their interests in many subjects. Open education asks students to be responsible(负责任）for their own education. The open classroom may help them to e____   learning. Some students will be h____    in an open education school. They will not have to worry   a____   grades rules.
   But many students may not d____   well in an open classroom. For some students, if there are too f____   rules, they will do little in school. They will not make good use of open education. Because open education is s____   different from traditional education, these students may have a problem of getting used to making so many c____ .For many students it is important to have some rules in the classroom. A few rules will help them. The last point about open education is that some traditional teachers do not like it. Many teachers do not believe in open education.
   You now know what open education is. Some of its good points and bad points have been explained. You may have your own opinion about open education. The writer thinks that open education is only a good idea. It may not work very well in r____    class or school. The writer believes that most students, but of course not all students, want and need to have some rules. They must be m____  to study some subjects. Many students are pleased to find subjects that they have to study interesting. They would not study those subjects if they did not have to.