The clerks who are happy to wait for their customer will get promoted soon.

Mai and Lan have a row because they have misunderstood one another.

Because they had spent too many time considering the new contract, the students lost the chance to lease the apartment.

The number of students attending universities to study economics have increased steadily in the last few years.

Chemical engineering is based in the principles of physics, chemistry, and mathematics.

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

Many languages used around the world they do not have a form of writing.

Students suppose to read all the questions carefully and find out the answers to them.

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

Spell correctly is easy with the aid of a number of word processing programs for personal computers.

The threat of being dismissed do not worry me any more because I have started my own business.

The mother asked her son if he would have the floor clean the day before.

Generally, Europe and Asia are regarded as being distinct continents, but they are simply vast geography divisions of the larger lad mass known as Eurasia.

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

This apprentice has spent two weeks to work on that new machine.

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

The company did not want to hire a man that his experiment was so limited.

Minh Hanh, who is one of the most famous fashion designers in Vietnam, are preparing for a new show.

Each of the nurses report to the operating room when his or her name is called.

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

Developing new technologies are time-consuming and expensive.