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In the preparation of fibrous material for production uses, stiff woody fibers from plants ............. fibers from animal sources.

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Polar bears are in danger of dying out. (25) _____ some other endangered animals, it's not hunters that are the problem, it's climate change. Since 1979, the ice cap at the Arctic Circle where the polar bears live has reduced in size by about 30 per cent. The temperature in the Arctic has slowly been rising and this is (26) _____ the sea ice to melt, endangering the polar bears' home. The polar bears' main sources of food are the different types of seals found in the Arctic. They catch them by waiting next to the air holes seals have made in the ice. (27) _____ the bears are very strong swimmers, they could never catch seals in water. This means that the bears really do rely on the ice to hunt. Polar bears also need sea ice to travel. They can cover a huge territory and often swim from one part of the ice to another. They have been (28) _____ to swim up to 100 km, but when there is less ice, they may have to swim further and this can (29) _____ fatal to the bears. A number of bears have drown in the last few years and scientists believe that it is because they were not able to reach more ice before they became too tired and couldn't swim any further

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I agreed that the shop treated you very badly. But just write a polite letter of complaint. It’s not worth making a _______ about it

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______ have made communication faster and easier through the use of email and the Internet is widely recognized

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Dad was concentrating _______ driving and was not able to enjoy the scenery

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(1) _____ in technology have made a lot of changes to our everyday lifestyles, but one of the biggest has got to be how we read books. Since the invention of the e–book, there has been a significant change to our reading habits. Given the choice between taking a couple of heavy paperbacks on holiday or an e–book device like a Kindle, most of us, including our parents and grandparents, would unsurprisingly opt (2) _____ the Kindle. But what would our lives be like with no books at all? It’s a (3) _____ question. Some educational specialists are making predictions that in the future we won’t even see books in classrooms – everything will be done online! (4) _____ of the idea of getting rid of books say that there will always be a need for paper–based versions of materials. However, to be realistic, we have to accept that there is a (5) _____ chance that in a decade’s time schools and classrooms will be book–free! What do you think of that?

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People talk about the generation gap as a kind of division between young people and their parents. It is something which is generally a problem when children enter their teenage years, and results (43) complaints on both side. Parents, for example, can often be heard to say that young people are (44) ______ and disobedient and in addition tend to be irresponsible when spending because they don’t appreciate the (45) ______ of money. Adolescents, on the other hand, complain that their parents don’t understand them. What has gone wrong? One explanation lies in (46) ______society has changed. In the past, children would typically continue the way of life of their parents. In today’s world, parents are very (47) ______ for their children because they want them to achieve more than they did. The problem is that the children often don’t agree with their parents’ plans. Teenagers also reach maturity at an earlier age than they used to and want their independence sooner. The resulting conflict is painful to both sides

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His parents don't like some of his friends. His friends wear too flashy clothes

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Mary wants to speak with you. – Please tell her that I ______ her as soon as I’m free.

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A smart city is an urban area that uses different types of electronic data collection sensors to supply information which ____ assets and resources efficiently

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The best way to preserve your culture is to keep it ____

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It will ....... that she has covertly donated considerable sums to the IRA

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“I phoned but you didn’t answer it. You must have gone out.” “________.”

Choose below answer A, B, C, or D to complete the sentence. We should brush our ____________ twice a day.

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The children would love to join the exchange program where they can ____ themselves in different traditional and cultural activities

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____ will lead to the extinction of rare animals due to the loss of their habitats, and extreme floods and land erosion

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The young man _________a phone call

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I  …………………the room since summer

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Although he came to work the day before his retirement, everyone knew he was just ________

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Bring the ironing board through here, then you can watch TV while you ______________ the ironing

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Global warming can ____ the ecological balance, bringing about terrible consequences