He has made a lot of mistakes in his writing because his carelessness.

Developing new technologies are time-consuming and expensive.

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

There are many different ways of comparing the culture of one nation with those of another.

People in every part of the world readily and easily communicates by means of electronic mail.

Mrs. Loan, along with her talented students, are going to be on the summer camp to USA.

By the time the police come the robber had run away.

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

One of the best ways to encourage your children to read are to provide interesting titles for them to enjoy.

What we know about certain diseases are still not sufficient to prevent them from spreading easily among the population.

He was very surprised when he visited London, in that the drivers always drive on the left hand side of the street.

Tenant farmers are those they either rent a farm and work it for themselves or work the farm for the owner and receive payment.

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

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

In very early times, people around the fire were entertained by storytellers with stories of heroes’ wonderful actions and victory.

This might not matter with you, but some people are going to be negatively affected by this decision.

The office manager insists that his staff use all of their vacation time, but he hardly never takes a vacation himself.

Neither the Minister nor his colleagues has given an explanation for the chaos in the financial market last week.

Conservation is the safeguarding and preservation of nature resources.

I am now in my attempt winning a place at the same university to my brother.

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