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

The freshman failed to follow the advice of her senior that he studied hard and not go out too much.

It is recommended that people to take regular exercise.

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

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

By measuring the color of a star, astronomers can tell how hot is it.

The Great Pyramid of Giza is said to have built over a 20-year period.

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

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

Most bothersome flies belong to the family Sarcophagidae and are popular known as flesh flies because the larvae feed on flesh.

Neither his parents nor his teacher are satisfied with his result when he was at school.

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

Some people often say that using cars is not as convenient than using motorbikes.

Ancient people made a clay pottery because they needed it for their survival.

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

The master of ceremonies announced in a loud and clear voice and told that the dinner would be late due to unforseen circumstances.

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.

Some of my friends are good at English while other are good at Mathematics.

There is a severe famine in Somalia, and thousands of people are dying from hunger.

The man for who the police are looking robbed the bank yesterday.