各位高手帮帮忙,我要15句的英语小短文!

In the past,the life is very hard.People often went out on foot,very few of them go by bike,let alone by public bus.There weren't supermarket but only small shops.The streets were very narrow,and there were only small houses along them.
But now,the life has changed a lot.The city of Beijing is big and clean.We can see greentrees and grass everywhere.There are also a lot of high buildings and wide streests instead of the small and narrow ones.A lot of people have their own cars.They also wear new clean clothes. They are get happy.

we all wish to be happy, so we should take good care of our health. health is the best treasure which a man can possess, money can do many things, but it can't buy happiness.however, so long as man has good health,he can enjop the pleasures of human life,
in order to insure good health we must pay attention to the three thing, they are nourishing food, fresh air and proper exercise.