Little have people done to alleviate the sea pollution caused by the factories in central Vietnam, haven’t they?

The number of women earning Master's Degrees have risen sharply in recent years.

Society uses such human emotions as proud, shame, guilt, and fear to maintain itself.

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

Those who had already purchased tickets were instructed to go to gate first immediately.

He is the second person be killed in that way.

I’m not used to go to school late. I prefer punctuation.

After the police had tried unsuccessfully to determine to who the car belonged, they towed it to the station.

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.

Some species of bats are dormant each days and active every night. 

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

Paris is much more exciting as I expected.

The most sensitive way to resolve a family problem is by open discussion.

For the first time in the history of the country, the person who recommended by the president to replace a retired justice on the Supreme Court is a woman.

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