結尾句

　　15. In my opinion, all of the people should be brave enough to show our disapproval and criticism when confronted with ________.

　　16. People are coming to realize the importance of ________. They have begun to try their best to ________. We believe that ________.

　　17. All in all, we cannot live without ________. But at the same time we must try to find out new ways to cope with problems that would arise.

　　18. Whatever you do, please remember the saying-________. If you understand it and apply it to your study or work, youll definitely benefit a lot from it.

　　19. With the development of society, ________. So its urgent and necessary to ________. If every member is willing to contribute himself to the society, it will be better and better.

　　20. It is difficult to say whether ________ is good or not in general as it depends very much on the situation of ________. However, from a personal point of view I find ________.

　　21. It is essential that effective actions should be taken to end the situation.