In the 1840s, Joseph Henry made important discovery of electromagnetism.

Villagers are hoping for raining this month after nearly a year of dry weather.

Choose one word or phrase marked A, B, C, or D that best complete the preceding sentence:

What are you going to do__________ quiting the current job?

Tea did not become popular in Europe until the mid 17th century when it has been first imported to England and Holland.

Mark the letter A, B, C, or D to indicate the underlined part that needs correcting in each of the following questions.

He apologized with me for arriving late.

Mining over 2,000 years ago, copper is one of the earliest known metals

When scientists discovered how soap works, it became possible to do synthetic detergents out of Petroleum.

Floods, earthquakes and other natural disaster happen all over the world, causing death and material damage.

Several comet are discovered each year, but very few of them are bright enough to be seen without the aid of magnification.

Choose the best option to complete the following sentences:

This test must be done ___________.

It was Vitus Bering, the Danish sea captain, who discovered Alaska on its voyage to Russia in 1741.

Nowhere he could find a good place to study, so he returned to his dorm.

Identify the error in each sentence: (A) To learn foreign languages (B) are necessary for (C) us to have (D) a well- paid job.

Choose the best answer: 

Japan is the…………..developed country in the world.

Indiscriminately dumping of waste material and inadequate sewage treatment are two serious causes of environmental pollution.

 If the machine _______, press this button.

Drug abuse have become one of America’s the most serious social problems.

All nations may have to make fundamental changes in their economic, political, and the technological institutions if they are to preserve environment.

To be good for agricultural purposes, soil must have in it he minerals plants required.

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

Choose the word(s) CLOSEST in meaning to the underlined word(s): In order to be successful, we should never give up hope.