Choose the correct answer to each of the following questions. " At the Grand Canyon I would be getting angr with tourists watching it through cameras – eyes are not good enough, ______ they lack a recording facility."

After the team of geologists had drawn diagrams in their notebooks and wrote explanations of the forma which they had observed, they turned to their camp-side to compare notes

Often a headache is caused by the contrac of one of the muscle group that cover the skull, thus causing spasm and pain.

There is a local elect council which has responsibility for roads street and other facilities

However types of raw materials are used in making paper , the process essentially the same.

The children were playing last night outdoors when it began to very hard 

Frank Lloyd Wright has been acclaimed by coll as the greater (of all modern architects.

In the 1970’s consumer activities succeeded promoting laws that set safety tandards for automobiles, children’s clothing, and a widely range of household products.

Choose the letter A, B, C or D to complete the sentences. " He gave up the job ________ the attractive salary."

Nylon, a synthetic done from a combine of  water, air and by product a coal , was first introduced in 1938.

The cars _____ if we had not done such a huge advertising campaign. 

He has hard never given a more impressive performance than this .

Agronomists study crop disease, selective breeding, crop rotation, and climatic factors, as well content and erosion.

Because it is a healthy way to exercise, aerobic dancing is considered as an excelle method for release tension

Mark the letter A, B, C, or D to indicate the word(s) closest in meaning to the underlined word(s)in each of the following questions. In addition to exploring the caves and grottos, and seeing its flora and fauna, visitors can also enjoy mountain climbing.

Choose the correct answer to complete the sentence. “benefits" are ____.

Choose the mistake in the following sentences: It is not the dog to run after me yesterday

I put my new book of zoology here on the desk a few minutes ago, but I cannot to find it.

The invention of the Silicon chip in the 1960s revolutionized the computer industry

There are ifferences and similarities between Vietnamese American culture.

Tom didn’t believe us, and it took along time to convince him