Choose the best answer:

Jenny’s engagement ring was precious! It ______ have cost a fortune.

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Many modern medicines are derived _______ plants and animals.

That style of dress _____have been designed by Titian, because it wasn’t worn till after his death.

Choose the best answer to complete the following sentences.

Clearing forests for timber has resulted ____ the loss of biodiversity.

Choose the best answer among A, B, c or D that best completes sentence:  In the _____  month, all the trees in this forest will disappear if nothing is done to protect them.

Choose the letter A, B, C or D to complete the sentences: 
The Endangered Species Act has lists of protected plant and animal species…........….. nationally and worldwide.

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He is an .................... of this newspaper.

Choose the correct answer in each sentence.

Everyone at Hammond Construction, Inc. was surprised to find out that the year's greatest cost saving measure was ------- by an intern.

It is reported that humans are the main reason for most species' declines and habitat _______ and degradation are the leading threats.

Mark the letter A, B, C or D on your answer sheet to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions: The venom of coral snakes is especially potent and the mortality rate among humans who have been bitten is high

Choose the best answer to complete the following sentences.

Cheetah's tail is ____ during fast running, because it balances the animal and allows fast and sudden turns which happen often when the prey tries to escape.

Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the best option for each of the blanks.
People’s fingernails and toenails, according to a recent study, are nowadays growing more quickly. Research (35) _____ out at the University of North Carolina indicates that the speed at which human nails are growing has increased by (36) _____ 25 per cent over the last 70 years. The results of the study show that the (37)_____ human fingernail now grows about 3.5 mm a month, (38) _____ just 3 mm seven decades ago. Toenail growth, (39) _____ only about 2 mm per month, was also up on the figure (40) _____ in a similar survey done 70 years ago. Researchers (41) _____ the rapid increase down to changes in lifestyle, particularly the greater awareness of the importance of regular exercise and a healthy diet. This, they point out, is in (42) _____with similar trends in the height and weight of present-day adults. Interestingly, it appears that nails have a propensity to grow fastest (43) _____ warmer conditions, with the quickest growth rate among young people, and men. The fastestgrowing nail is on the middle finger while that on the little finger is (44) _____ the slowest, at only a fraction over 3 mm each month.
(38)..............................

More and more school leavers want to pursue higher education.

Economic reforms began in the Soviet Union in June 1985 by the Soviet leader Mikhail Gorbachev to ......................... the Soviet economy.

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During the trip to Japan, we ................. a lot of pictures. 

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It took me 2 hours ................ this work.

The children had been ................. of the danger, but had taken no notice.

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Earning money has always been the thing that pleases him most. _____ he becomes, _____he is.

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Would you like to drink milk ................... coffee?

After a meal in a restaurant, you ask the waiter for the ......................

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If she………….the first prize of the contest, she………….rich now.