He never goes home before he will finish his work.

Abraham Lincolns boyhood home resembled those of many others midwestern pioneers, with its dirt floor, sleeping loft, and crude fireplace.

The native people of the Americans are called Indians because when Columbus landed in the Bahamas in 1492 , he thought that he has reached the East Indies.

Because the tachinid fly is a parasite of harmful insects, much species have been imported into the United States to combat insect pests.

The environment can be defined as all living and nonliving items in an area at a specify time.

Bacteria are responsible of many of the textures and flavors in our food and are particular important in milk products.

The examination will test your ability to understand spoken English, to read non-technical language, and writing correctly

Salmon lay their eggs and die in fresh water, although they live in salt water when most of their adult lives.

He has been hoped for a raise for the last four months, but his boss is reluctant to give him one.

A police spokesperson confessed that detectives were baffled by Mr. Day’s disappearance, but were hoping to come up with an explanation

The Gray Wolf, a species reintroduced into their native habitat in Yellowstone National Park, has begun to breed naturally there.

You need to study really hardly is you don’t want to fail your exams

One of the four underlined parts marked A, B, C, D in each sentence is not correct in standard English. Identify them: 

If I were you, I will go to the dentist’s and have the tooth checked. 

Philosophy, the inquiry into the nature of  human knowledge, it is still a very popular subject among university students

Choose the correct answer to complete the sentence. "Global warming has severe impact_____ water supplies."

To remove stains from permanent press clothing, carefully soaking in cold water before washing with a regular detergent.

After driving for twenty miles, he suddenly realized that he has been driving in the wrong direction.

From now on , we’re going to study really hardly and make sure we will pass the exams.

Of the much factors that contributed to the growth of international tourism in the 1950’s, one of the most important was the advent of jet travel in 1958

The function of pain is to warn the individual of danger, so he can take action to avoid more serious damage.

Rainwater carries unused chemicals from fields into streams or lakes, where various compounds promote the rate growing of weeds