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I insist on ____ this small present as a token of my appreciation

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The children are ________ by this new app; they can’t stop using it

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I opened my mouth to apologize, but the words wouldn't ...........

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Van Gogh's "Sunflowers" .............. $39.9 million, three times the previous record.

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She marched into the shops, as bold as ________, and demanded for her money back

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When you come tomorrow, why not______ your brother with you?

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Recent medical research into the new virus has dispelled fears that it is usually fatal

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Professional people expect ............... when it is necessary to cancel an appointment

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You'll need to take ____________ a few more plates so we'll have enough for all our guests

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Most people think of computers as very modern inventions, products of our new technological age. But actually the idea for a computer had been worked out over two centuries ago by a man (39) _____ Charles Babbage. Babbage was bom in 1791 and grew up to be a brilliant mathematician. He drew up plans for several calculating machines which he called "engines". But despite the fact that he (40)_____building some of these, he never finished any of them. Over the years, people have argued (41)_____his machines would ever work. Recently, however, the Science Museum in London has finished building(42)_____engine based on one of Babbage's designs. (43)_____has taken six years to complete and more than four thousand parts have been specially made. Whether it works or not, the machine will be on show at a special exhibition in the Science Museum to remind people of Babbage's work

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My older sister, now 35, is never satisfied _______ what she has achieved

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So you bought a car, ________

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Roads were _______ as police searched for the escaped prisoner

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We really ought to make a start on getting this place __________

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It seems entirely natural to us that there are teams of scientists in universities and (46) _____ institutions around the world, attempting to discover the way the world works. (47) _____, it hasn’t always been that way. Although the scientific method is now four or five hundred years old, the ancient Greeks, for example, believed that they could (48) _____ the cause of natural events just by the power of thought. During the 17th century, more and more people began to realize that they could test their scientific ideas by designing a relevant experiment and seeing what happened. A lot of (49) _____ was made in this way by individual scientists. These men and women often worked alone, carrying out research into many different areas of science, and they often received very little (50) _____ for their hard work. At the start of the 20th century, though, it became clear that science was becoming more complicated and more expensive. The individual scientists disappeared, to be replaced by highly qualified teams of experts. Modern science was born

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They’re my friends. _______ names are Anna and Mark.

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Under the threat of a strike, the management gave ___________ and agreed to reinstate annual pay increases for all employees

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On arriving home I found that she ______just a few minutes before

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Visitors to the local museum are mostly attracted by _______ rocking chair

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The college prepares students ______ a career in business

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Many adults in America and increasing numbers elsewhere take part in mentoring schemes. A mentor is an adult who provides support and friendship to a young person. There are numerous different (46)_____ of mentoring: passing on skills, sharing experiences, offering guidance. Sometimes the most helpful thing to do is just listen. Mentoring is open to anybody - no particular (47) _____ experience is required, just a desire to make a difference to the life of a young person who needs help. This may seem a difficult thing at first, but many people find they have a real talent for it. The support of a mentor can play an important part in a child's development and can often make up (48) _____ a lack of guidance in a young person's life. It can also improve young people's attitudes towards society and build up their confidence in dealing with life's challenges. For the mentor, it can be incredibly rewarding to know that they have had a significant influence on a child and helped to give the best possible (49) _____ in life. Indeed, it is not only adults who are capable of taking on this role. There is now an increasing (50) _____ for teenagers to mentor young children, for example by helping them with reading or other school work