26. No doubt, if we ignore the problem, there is every chance that ______________ will be put in danger.

25. We must search for a quick action, because the present situation of ______________ is grievous, if allowed to proceed, will certainly lead to ______________.

24. From what has been discussed above, we may reasonably arrive at the conclusion that ______________.

23. But both ______________ and ______________ have disadvantages. For example, ______________. Which to choose, ______________ or ______________? Careful consideration is necessary before you make your own choice.

22. It is no doubt that special attention must be paid to the problem of ______________.

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

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 ______________.

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

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

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.