The pleura that cover the exterior of the lungs and the inner walls of the chest cavity is a thin elastic membrane.

Education is desperately needed in many countries where a high percentage of the population are illiterate.

There has been widespread public opposition against the plan for a new road.

The vase has the same design, but it is different shaped from that one.

A progress has been made toward finding a cure for AIDs

An electromagnet will remain magnetized only as longer as electricity flows through it

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.

There are no easy ways to learn a foreign language, _________?

Choose the best option:

We have to suffer a lot of floods due to our serious _____ of forests.

Most Polar seals retreat to open water during the winter, but a few types have learn to survive on and under the ice all year round.

Never before has so many people in the United States been interested in soccer.

Stars derive their energy from thermonuclear reactions that take place in their heat interiors

Sleeping all day, to eat too much and never going out is unhealthy.

Our civilization is so commonplace to us that rarely we stop to think about its complexity

Gold, silver, and copper coins are often alloyed whit harder metals to make them hard as enough to withstand wear.

Had we known the traffic would be so bad, we did not drive back from work so early.

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

What caused the explosion in the factory it is still unknown

Mr. Smith is going to buy a new Japanese car, doesn’t he ?

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

Unless we leave a bowl of water under the sun, it will evaporate. 

The Aardvark is a mammal that burrows into the ground to catches ants and termites

It’s been brought to my attention that there has been a number of thefts from the office.