Books are still a cheap __________ to get knowledge and entertainment.

Reading book requires you to focus _____ what you are reading for long periods.

Choose the correct answer:

_____________ is a film or TV program presenting the facts about a person or event.

The children soon forgot that it was them , their parents, who had encouraged them to continue their education.

Some of the agricultural practices used today is responsible for fostering desertification.

The manufacture and production of steel is one of the industries on which the country prosperity was found.

It’s a shame they didn’t pick you, but it doesn’t ______ out the possibility that you might get a job in a different department.

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

Choose the best answer:

He used to ...................... to school by his mother.

After writing it, the essay must be duplicated by the the student himself and handed into the department secretary before the end of the month.

They held a concert to mark the .......... of Mozart's death.

Every city in the United States has traffic problems because the amount of cars on American streets and highways is increasing every year.

If you ________ down something, you try to make people believe that it is not important.

His cell phone makes an _     noise every time he gets a text message.

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

Identify one underlined part in each sentence that needs correcting.

There is a lot of online language learning programs which are able to interact with learners.

Some trees such as the Durian need to be burned periodically so that the seeds would open and germinate.

Like the area in and on the Rocky Mountains, the Western Basins and Plateaus region of the United States offers much for the tourists.

When I was turning out my cupboard I ............... this photograph of my uncle.

The Wright brothers, owner of a bicycle shop, used a number of bicycle parts to make the original motorized plane.

Identify the error in each sentence: 

The result of that test must be inform before August.