Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks from from 19 to 23.

We need energy to live and work. Our major source of (19) _________ is oil. Oil is one kind of fossil fuel. The amount of fossil fuels in the world is (20) _________. Therefore, we must save it, and at the same time, we must find new sources of energy. Geothermal heat and nuclear power are alternative (21) _________ of energy. They can give us electricity. Other alternative sources (22) _________ the sun, waves and water. These sources are not only unlimited and available (23)_________ clean and safe for the environment. People should develop and use them more and more in the future.

Mark the letter A, B, C, or D to indicate the sentence that best combines each pair of sentences in the following questions.

“I will help you with the housework”, Mai said to me.

Mark the letter A, B, C, or D to indicate the sentence that best combines each pair of sentences in the following questions.

He did not work hard. He failed the exam.

Mark the letter A, B, C, or D to indicate the sentence that best combines each pair of sentences in the following questions.

The demand was so great. They had to reprint the book immediately.

Mark the letter A, B, C, or D to indicate the sentence that best combines each pair of sentences in the following questions.

Only Mary scored high enough to pass this test.

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You will never eat there at the weekend unless you have made a reservation.

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The Matrix was released in 1999. It stars Keanu Reeves.

Mark the letter A, B, C, or D to indicate the sentence that best combines each pair of sentences in the following questions.

Cats is one of the longest-running musicals in Britain. It was written by Andrew Lloyd Webber.

Mark the letter A, B, C, or D to indicate the sentence that best combines each pair of sentences in the following questions.

The sculpture represents the biblical King David. It was carved in the early 1500s.

Mark the letter A, B, C, or D to indicate the sentence that best combines each pair of sentences in the following questions.

You can see Velazquez in this painting. He is standing in the background.

Mark the letter A, B, C, or D to indicate the sentence that best combines each pair of sentences in the following questions.

A picture was stolen by art thieves. It was painted by Munch.