_________, I had a happy childhood. 

Researchers in economics, psychology, and marketing can help businesses.

Choose the best option A, B, C, or D to complete the sentences.

I paid______ attention, and I didn’t hear what the others were saying.

Find the ONE among the underlined and marked A, B, C, D in each of the following sentences that needs correcting:

Mined over 2,000 years ago, copper is one of the earliest know metals.

Chemical compounds with Barium, Cobalt, and Strontium are responsible to many of the vivid colors in fireworks

Choose the best answer from A, B, C, or D.

I know that he………in the library at this moment.        

Usually the climate in mountainous areas becomes much windy at higher altitudes

Because the tachinid fly is a parasite of harmful insects, much species have been imported into the United States to combat insect pests.

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

There was no one__________.

Choose the underlined part among A, B, C or D that needs correcting:

Although the bad traffic, I managed to arrive at the meeting on time.

The purpose of traveler’s checks is to protect travelers from theft and accidental lost of money.

Choose the underlined part among A, B, C or D that needs correcting:

Despite of his broken legs, he was able to get out of the car before exploding.

Choose the best option A, B, C, or D to complete the sentences.

I wish I______ people with the same interests.

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

Thousands of people are reported _____________.

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

This subject__________ going to discuss, is very important.

Choose the best answer

The Tower Infinity in South Korea is supposed to be the world’s first skyscraper that, for a few hours a day, _______ an unobstructed view of the sky behind it.

Choose the correct option A, B, C, or D to complete each sentence.

In many big cities, people have to_____ up with noise, overcrowding and bad air.

Choose the correct option A, B, C, or D to complete each sentence.

We’d like our students to participate more ______ in the school’s social programmes.

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

The television isn't working. It___________ during the move.

Choose the correct option A, B, C, or D to complete the sentences.

Minh wishes he _____ English perfectly well.

Select the synonym of the following bold and underlined word in the sentence : "We visit shops, offices, and places of scenic beauty with the help of computers."