Exercise 25:
1. It is proud to make a descision without turning to others for help
2. It is really important to believe in yourself
3. Peter is really determined to climb the Fansipan Mount and no one can stop him
4. It is impossible to change his mind
5. It is not easy for many teenagers to live independently
Exercise 26:
1. It was a good advice to continue
2. The attempt which she tried to locate them was unsuccessful
3. In Britain, you will get a chance to improve your English
4. It was not a popular decision to increase taxes
5. NASA preparation was moved forward to lauch on Monday
6.The desire motivated him to get a good job
7. Her dream was to become an actress was never realized / Her unrealized dream was to become an actress