3. B Overcrowded areas make the lives pf people becomes more difficult.
4. B Although big cities offer doog standards of living, people also have to facec problems such as traffic jam or pollution.\
5. C Did you find ut any solutions to reduce crimes in Manila?
Ex9:
1. C The more overcrowded cities get, the more problems prople face.
2. C The people who are living in dederted house are very poor.
3. B This is the first time I have ever been to Brazil.
4. A iy is very pleasant to living in the countryside.