In the end of the party, Mary found herself washing the dishes alone again, as usual.

Conservation is the safeguarding and preservation of nature resources.

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

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

It is interesting to compare the early stylized art forms of ancient civilizations to the modern abstract forms of art.

Optimists believe that in future we will be living in a cleaner environment, breathing fresher air and eat healthier food.

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

The chief of police demanded from his assistants an orderly investigation, a well-written report, and that they work hard.

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

Not until he got home he realized he had forgotten to give her the present.

I enjoyed talking to the people with that I met at the party last night.

Mrs. Stevens, along with her cousins from Canada, are planning to attend the firework display in Da Nang, Vietnam.

The most visible remind of the close relationship between the United States and France is the famous Statue of Liberty, which stands in New York habor.

There was a gradual raise in the number of literate males and females in the lowlands.

Please tell us the reason when he left without saying goodbye.

The telephone rang several times and then stop before I could answer it.

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

A beaver uses its strong front_teeth to cut down trees and peel_off its bark.

It has ever been told that teaching is one of the more noble careers.

Working provide people with personal satisfaction as well as money.

Folklore consists of the beliefs, customs, traditions, and telling stories that people pass from generation to generation.