It is very difficult for human beings fighting pollution.

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

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

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

Ralph wishes that he went to the bank this morning before he went to work.

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

English, together with Literature and Maths, are compulsory subjects in the national curriculum.

Oxygen plays a important role in maintaining live.

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.

Narcissus, a character in mythology, gazed at his own image in a pool so ardently that he fell into itself and downed.

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.

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

Developing new technologies are time-consuming and expensive.

He said that he has done his homework since 7 o'clock.

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

If one type of manufacturing expands, it is like that another type will shrink considerably.

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

Sex's education is instituted to help the student understandthe process of maturation, to eliminate anxieties related to development, to learn values, and to prevent disease.

Education, whether it happens at school or anywhere else, is a important part in our life.

Looking from afar, the village resembles a small green spot dotted with tiny fireballs.

To reduce pollution, we have to stop using many things that makes our life comfortable.