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that; country it; one that; countries it; ones
it can bring us more knowledge it can make us rich they have too much money it is a good idea
it can bring us more knowledge it can make us rich they have too much money it is a good idea
it can bring us more knowledge it can make us rich they have too much money it is a good idea
seeing to see seen being seen
the school master made a lot of money and got rich the school master became very famous among young students more and more young people went to the hostel for summer holidays more and more young students came to study at his school
Wealthy people tend to have fewer children than poor people. Natural selection hardly works among the rich and the poor. The middle class population is 80% smaller than that of tribes. India is one of the countries with a very high birth rate.
newly developed countries rich countries developing countries developed countries
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