Many small houses and huts were washed away when river bursted its banks.

Air pollution, together with littering, are causing many problems our large, industrial cities today.

Migration of animals be initiated by physiological stimuli such as reproductive changes, external pressures such as weather changes, or combination of either types of changes.

A number of the Pacific Islands are volcanoes that have pushed up from ocean floor, the others are the tops sunken mountain ranges.

The giant panda eats chiefly mainly bamboo shoots, though it also eats some other plants and occasionally feeds fish and small rodents.

Stuart stopped to write his letter because he had to leave for hospitals

The student realized with disappointment that he had learned new nothing in lecture.

Among the world’s 44 richest countries, there has been not war since 1945.

Drying food by mean of solar energy is a ancient process applied wherever food and climatic conditions make it possibly

Although the social sciences different great deal from one another they share common interest of human relationships

A computer networks usually includes either selected employees of  particular business and people who do not work together but have similar interests

Now that they have successfully passed the TOEFL, the students were ready to begin classes at the University

Kansas City, which grew out of the consolidation of many small towns, is locating at a confluence Kansas and Missouri Rivers.

There always is a wise woman who is both feared and respected her people

It is the large city in Europe with a population of ver eight million.

I am not related to this man in any way. He is neither a member of my family or friend of mine .

The pilot along with his passengers … rescued last night. 

The Vermont Elememary Science Project, according to its founders, are designed challenge some of the most widely held belief about teaching .

Bill was about average in performance in comparison with students in his class.

Some of the milk I bought last night ........... not fresh anymore. 

Many young people lack of the skills, good education, and finance to settle in the urban areas where most job are found.