Choose the best answer to complete each of the following sentences: 

Jack broke his leg when he (play) ______________ football.

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

He was tired so that he couldn’t continue his work.

Early radio was called the “wireless” because radio uses invisibly waves to carry information.

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

Before cars_________, people_________ horses and bicycles.

A film isn’t worth to watch, whatever its subject, unless it engages the viewer’s mind and makes him think.

 Ho Chi Minh Mausoleum is the final resting place of Ho Chi Minh, the __________ iconic and popular leader of Vietnam.

Choose the letter A, B, C, D to indicate the correct answer to each of the following questions:

We _________ Peter since last Monday.

It is the large city in Europe with a population of over eight million.

When a pearl is cut in half and examined under a microscope, but its layers can be seen.

As the plane went more faster down the runway, David began to sweat nervously

Efforts__________ to offer all children equal access to education.

As the numeral of older people increases, services for the elderly will soon represent one of the fastest-growing areas of employment.

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

The spectacular Royal Palace of the Imperial City is one of Hue’s main tourist attraction.

It has been found that the length of light or dark periods influence certain activities of flowering plants.

Choose the best word or phrase to complete the following sentences:

The dress you bought is of very good quality. It _________ very expensive.

Yogurt contains a higher percentage of lactic acid than another fermented milks, and it is rich in B-complex vitamins.

Choose the best answer A, B, C or D for the sentence: "Tents come in _______ shapes and sizes."

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

 I made a mistake__________ I was tired.

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

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

I'll let you know__________ I come back.

The most of the energy used in our homes and factories is generated from coal, oil and natural gas.