There are many different ways of comparing the economy of one nation with those of another 

Choose the letter A, B, C, D to indicate the correct answer to each of the following questions:

This place is _______________ than that one. (safe)

Choose the best answer from the four options given (A, B, C, or D) to complete each sentence:

My brother loves ________ to music very much.

The world would look eerie different if human eyes were sensitive to infrared radiation.

Choose the letter A, B, C, D to indicate the correct answer to each of the following questions:

We (live) ____________ here for 2 years.

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.

The medical problems of parents and their children tend to be very similar to because of the hereditary nature of many diseases

In the whole I agree with what you’re saving, but I’m not sure about your last point

Hue was listed as a world cultural Heritage by UNESCO ___________ 1993.

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

The police have asked that_________ who saw the accident should get in touch with them.

Men and women in the Peace Coips work with people in developing countries to help them improving the living conditions.

Choose the best answer from the four options given (marked A, B, C, or D) to complete each sentence: 

I didn’t go to the party yesterday because __________.

It would be both noticed and appreciating if you could finish the work before you leave.

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

It's six years now since the Socialists came to_________ in that country.

He knows to repair the carburetor without taking the whole car apart.

Today’s nuclear fission fuels are the remnants of which used to be a much more active mixture of radioactive and fissionable materials two billion years ago and earlier.

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.

Choose the best answer:

Do you think that Hue Imperial is ___________ preserved?

Although he was happily married, he preferred spending lately hours at work to spending evenings lately at home.

Generally speaking, a magnitude 1.0 earthquake on the Richter scale is detected by instruments but not by person.

Choose the letter A, B, C, D to indicate the correct answer to each of the following questions:

Have you _________ by a dog?