Commercial airliners do not fly in the vicinity of volcanic eruptions because even a small amount of volcanic ash can damage its engines.

In summer, warm southern air carries moist north to the eastern and central United States.

He was so careless that he left the work half doing and went to the cinema.

Weather and geographical conditions may determine the type of transportation using in a region.

Drying food by means of solar energy is an ancient process applying wherever climatic conditions make it possible.

All the candidates for the scholarship will be equally treated regarding of their sex, age, or nationality.

After analyzing the steep rise in profits according to your report, it was convinced that your analyses were correct.

Mark the letter A, B,C or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions

      Tom’s jokes are inappropriate but we have to put up with it just because he’s the boss.

The Oxford Dictionary is well known for including many different meanings of words and to give real examples.

Fruit and vegetables should be carefully washed whether eaten fresh or cook.

Students suppose to read all the questions carefully and find out the answer to them.

I am not fond of reading fiction books as they are imaginable ones which are not real.

Before the interview, candidates should find out as much as possibility about the job and the vacancy.

The occean probably distinguishes the earth from other planets of the solar system, for scientists believe that large bodies of water are not existing on the other planets.

It is believed that in the near future robots will be used to doing things such as cooking.

Works are written by Vladimir Nabokov often contain heroes and heroines who have lived in many places.