1. It must be pointed out that it is one of our basic State
policies to control population growth while raising the
quality of the population.
2. It is (has been) estimated that the worlds population
could reach 6 billion by the end of the century.
3. It must be kept in mind that there is no secret of
success but hard work.
4. It can be seen from this that there is no difficulty in
the world we can overcome.
5. As is known man is the product of labor.
6. It is a common saying that man who has a settled purpose
will surely succeed.
7. It is clear that the enemy has no desire for peace.
8. It is hard to imagine how Edison managed to work twenty
hours each day.
9. Its hard to say whether the plan is practicable.
10. There is no doubt that others will help you if you have
any difficulties.
11. It seems certain that they have made a series of
experiments.
12. It is said that bats have been using radar for millions
of years.
13. To tell the truth, many mistakes we made could have
been avoided.
14. As we know, it was not until recently that the problem
was solved.
15. It must be admitted that you havent done what you
promised to do.
16. In my opinion, this computer is different from that one
you saw.
17. It is certain that we have a long way to go.
18. All this shows that nothing can prevent us from
reaching our aims.
19. As far as we know, it took him more than a year to
write the book.
20. It has been proved that every substance, no matter what
it is, is made up of atoms.
21. It has been decided that we are going to build a
railway whose base must be completed within his year.
22. It is obvious (evident) that the success of the
innovation depends on our concerted efforts.
23. To be frank, whether you like it or not, you have no
other choice.
24. It is natural that one may have trouble expressing
complicated ideas in simple English.
25. What is more important, the agreement they have
negotiated is being carried out.
26. We will be successful as long as we persevere.
27. Frankly speaking, what you call the truth may not apply
to things happening here.
28. It is true that we must redouble our efforts; otherwise
we cannot catch up with the developed countries.
29. I take it for granted that they will support this idea.
30. In a certain sense, a successful scientist is a person
who is never satisfied with
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