Read the passage and choose the best answer.

There is now increasing concern about the world’s energy (23)____ , particularly about those involving fossil (24) ____. In less than a hundred years we shall probably exhaust all the present (25) ____ of oil and gas. The world’s coal (26) ____ should last langer but, once used, these cannot be renewed. It is important; therefore, that we should develop such (27) ____ sources of energy as solar energy as well as water and wind power.

23______________

 _______students required to wear uniforms at all times?

Choose the best answer:

This farm grows rice. This is a ……..... farm.

Choose the best option to complete the following sentences.

Eastman Kodak Company ………………… many OLED equipped products since 1987.

 John announced that he could not longer tolerate the conditions of the contract under which he was working.

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

Could you mind telling me the way to the nearest restaurant?

Choose the correct answer to complete the sentence: "Couples who ______ childless can feel excluded from the rest of society."

Jeans are very popular with (26) ________people all over the world. Some people say that jeans are the “uniform” of youth. But they haven’t always been popular. The story of jeans (27 )________almost two hundred years ago. People in Genoa, Italy made pants. The cloth made in genoa was (28)_______“jeanos”. The pants were called “jeans”. In 1850, a saleman in California began selling pants made of canvas. His name was Levi Strauss. Because they were so strong, “Levi’s pants” became (29)________with gold miners, farmers and cowboys. Six years later Levis began making his pants with blue cotton cloth called denim. Soon after, factory (30)________in the US and Europe began wearing jeans. Young people usually didn’t wear them.
(27)...........................

 New York city is well-known _______ the Statue of Liberty.

Choose the correct answer to complete the sentence: "Tom sold his bike _____ he had sold his car."

Van Mieu was a place to__________ the most brilliant scholars of the nation.

Choose the best answer:

Tom and ....... are going to the birthday party together.

We were so tired after __________ several hours __________ round the ancient sites the town that we hired a taxi to get back to our hotel.

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She will be disappointed _____ she gets the job.

 Oxygen plays a important role in maintaining live.

 It is the recommendation of many psychologists that a learner ought to use mental images to associate word and remember them.

Choose the correct answer to complete the sentence: "__________ we had had some problems we decided to go on a trip to Hue."

Mary worked hard _______ pass the examination.

 It _______________last night because the ground is really wet.

Choose the best answer:

They made her work harder.

Choose the best answer among the A, B, C, or D provided to finish each of the incomplete sentences below:

A water polo ball is constructed of waterproof material to allow it to float_______ the water.