Not everyone realizes that the most largest organ of the human body is the skin.

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

Because her sickness she didn’t take part in the English competition held in Sunday.

Excavations in some villages on the east bank(A) of the Euphrates River have revealed(B) an ancient community that had been laying (C) under later (D) reconstructions of the city of Babylon.

The master of ceremonies announced in a loud and clear voice and told that the dinner would be late due to unforseen circumstances.

The Commitments of Traders Report is released by the Commodity Futures Trading Commission on eleventh day of each month.

Neither of the men arresting as terrorists would reveal information about his group.

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

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

The world is becoming more industrialized and the number of animal species that have become extinct have increased.

The longer the children waited in the long queue, the more impatiently they became

Although Nam worked very hard, but he didn’t pass the final exam.

The University of Kentucky has held this prestigious title until 1989, when it was granted to the University of Georgia.

A novel is a story long enough to fill a complete book, in that the characters and events are usually imaginary.

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

The two children tried as hardly as they could to bring about a reconciliation between their parents.

The shopkeeper warned the boys don't learn their bicycles against his windows.

Because blood from different individuals may different in the type of antigen on the surface of the red cells and the type of antibody in the plasma, a dangerous reaction can occur between the donor and recipient in a blood transfusion.

People are not allowed enter the park after midnight because of lack of security.

Unlike the old one, this new copier can perform their functions in half the time.

You shouldn’t criticize him in front of his friends. It was insensitive of you.