Aristotle, the famous Greek philosopher, believed that the brain was an organ that cooled a heart.

Parks which are found in downtown areas where office workers and store employees can enjoy their lunch hours sitting on the green grass in clean, fresh air.

I like the fresh air and green trees of the village which I spent my vacation last year.

When you are writing or speaking English it is important to use language that includes both men and women equally the same.

If they took their language lesson seriously, they would be able to communicate with the locals now.

There are many reasons why a particular species may become endangering.

Despite America’s affluence, many people are without jobs, on welfare, and have a lot of debts.

Instead of calling off the meeting, maybe we can just put it over until next month.

It is the recommendation of many psychologists that a learner ought to use mental images to associate word and remember them.

He is the second person be killed in that way.

We have been making prepare for our final exammination for two months.

Although caffeine is a moderately habit-forming drug, coffee is not regarded as harmfully to the average healthy adult.

Sometimes it takes me about three hours finishing my round.

Sex's education is instituted to help the student understandthe process of maturation, to eliminate anxieties related to development, to learn values, and to prevent disease.

Neither his parents nor his teacher are satisfied with his result when he was at school.

Ralph wishes that he went to the bank this morning before he went to work.

If today is Sunday, we would have a lot of fun at the camping site.

Once you have finished an article and identified its main ideas, it may not be necessary to reread it again.

If you need to keep fit, then why not take on a sport such as badminton or tennis?

By the mid-nineteenth century, land was such expensive in large cities that architects began to conserve space by designing skyscrapers.

I was amazed that Smith showed so few grief at his mother’s death.