Ancient people made a clay pottery because they needed it for their survival.

Had it not been for you help me, I wouldn't have succeeded.

A smile can be observed, described, and reliably identify, it can also be elicited and manipulated under experimental conditions.

The governor, with his wife and children, are at home watching the election results on TV.

Higher education in the United States specifically refers to post -secondary institutions, that offer associate degrees, master degrees or Ph.d. degrees or equivalents.

In the early 1900's, Pennsylvania's industries grew rapidly, a growth sometimes accompanied by disputes labor.

Education, whether it happens at school or anywhere else, is a important part in our life.

Bill is often late for class, which makes his teachers angrily.

Teddy Roosevelt demonstrated his competitive spirit and tireless energy in 1905 whenever he led the Rough Riders up San Juan Hill.

Doctors believe there is better in this modern world of ours to try to prevent illnesses than to rely on medicines to cure them.

Although most species of small birds gather in groups at feeders provided by bird-watchers, the bright red cardinals usually appears alone or with its mate.

The big problem was that we really did not understand what was happened

Everyday in summer, but especially at the weekends, all kinds of vehicles bring crowds of people to enjoy the various attraction.

I clearly remember to tell you about this before.

Unlike many writings of her time, she was not preoccupied with morality.

David, who mother is Vietnamese, speaks both Vietnamese and English fluently.

Ours brains are incredibly agile machines, and it's hard to think of anything they do more efficient than recognize face.

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

The US, that is one of the most powerful countries, decided to declare a war to Iraq.

Having finished his tem paper before the deadline, it was delivered to professor before the class.

It is believed that in the near future robots will be used to doing things such as cooking.