A smile can be observed, described, and reliably identify; it can also be elicited and manipulated under experimental conditions

Mr. Brown bought ..............new car ..................last week. 

Kiwi birds search the ground with the bills for insects, worms, and snails to eat.

The ...... friendly products are designed not to harm the natural environment.

A progress has been made toward finding a cure for AIDs

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, _________?

Advertising it provides most of the income for magazine, newspapers, radio, and television in the United States today

Choose the correct answer to complete the sentence. "Having denied the ______ for the environment it caused, the factory was forced to close down"

Many young people lack of the skills, good education, and finance to settle in the urban areas where most jobs are found.

Polio, one of a group of spinal inflammations, causes fever and paralysis often resulting in disabled and deformity.

The extraordinary beautiful of orchids makes them the basis of a multimillion-dollar floral industry .

Even the most discriminating gourmet will agree that food in the south is as good as any other regions in the country

President Wilson had hoped that World War I be the last great war, but only two decades later, the Second World War was erupting.

The factory was fined for ...... chemicals into the river.

........ Statue of Liberty was a gift of friendship from France to ............ United States.

Choose the correct answer to complete the sentence. "Nowadays the common method for drying vegetables and minced meat is putting them in chambers and blowing hot air through."

Ocean currents that help transfer heat from the equator to the poles, thereby creating a more balanced global environment.

The diameter of the Sun is more than one hundred times greater than the Earth.

Somebody has stolen your bag, _    ?

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. 

It is believed that the more frequent you exercise, the greater physical endurance you will have