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

Reading is the best way to ______________ your vocabulary in any language.

Scientists believe that by altering the genetic composition of plants, it is possible to develop specimens that are resisting to diseases and have increased food value.

As a child grows on, its physical health is affected by many elements in the air, water and food.

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

I had no sooner lit the barbecue _______ it started to rain.

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

Don’t forget to buy me a dictionary, __________?

An important factor should be considered is Mr. Lopez’s ability to keep the new restaurant going for several months with limited revenue

Drying food by means of solar energy is a ancient process applied wherever food and climatic conditions make it possible.

A seismograph oscillation of the ground caused by seismic waves, vibrations that travel from its point of origin through the Earth or along its surface.

In the United States, among 60 percent of the space on the pages of newspaper is reserved for advertising.

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

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

George hasn’t completed the assignment yet, and Maria hasn’t too.

In human beings, as in other mammal, hairs around the eyes, in ears and in the nose prevent dust, insects, and other matters from entering these organs.

The plans for the building complex were describing by the architect.

The new mall shopping in the downtown area will be much more expensive for the shoppers than the mall in the freeway outside the town

VOCABULARY AND STRUCTURES: Choose the best options 

We should __________ all the electric appliances when leaving our room. 

Choose the best answer: 
My parents once took me to Bat Trang village. I could make my own _________ there.

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

The local economy which once used to be in crisis now depends to a great extent on menial jobs provided by the recent development of ecotourism.

Viscosity is measurement describing the relative difficulty or easy with which liquids flow.

Choose the best option to complete the sentences: I'm just going to _______ myself - it should only take a few hours.

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

The boy always does his homework before class__________.