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Built at the beginning of the century, the Library of Congress houses one of the largest ............. collections of books in the world

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The medical community continues to ______________ progress in the fight against cancer

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The invention of the mobile phone has undoubtedly revolutionized the way people communicate and influenced every aspect of our lives. The issue is whether this technological innovation has (25) _____ more harm than good. In order to answer the question, we must first turn to the types of consumers. Presumably, most parents (26) _____ are always worrying about their children’s safety buy mobile phones for them to track their whereabouts. We can also assume that most teenagers want mobile phones to avoid missing out on social contact. In this context, the advantages are clear. (27) _____, we cannot deny the fact that text messages have been used by bullies to intimidate fellow students. There is also (28) _____ evidence that texting has affected literacy skills. The widespread use of mobile phone has, out of question, affected adult consumers too. What employee, on the way home from work, would be reluctant to answer a call from their boss? Apparently, only 18% of us, according to a survey, are willing to switch off our mobile phones once we've left the office. Admittedly, mobile phones can be intrusive but there are obvious benefits to possessing one. Personally speaking, they are invaluable when it comes to making social or business arrangements at short (29) _____. They also provide their owners with a sense of security in emergency situations

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It is true that digital manufacturing does cut out the middle-man. More and more routine, repetitive assembly tasks will be taken (25) _____ by machines. But as certain jobs disappear, new ones open up in other parts of the factory. Germany in many ways exemplifies this trend. Today, German manufacturers (26) _____ three times more robots than U.S. companies, but they also still employ more humans. Relative to the size of our economies, German's manufacturing workforce is twice the size of America's. From its very beginning, the fourth Industrial revolution has never presented manufacturers with an either-or choice - robots or humans. It has always been about combining the talents of (27) _____ . (28) _____, it is the convergence of artificial and human intelligence that will enable manufacturers to achieve a new era of speed, flexibility, efficiency and connectivity in the 21st century. Machines have the ability to assemble things faster than any human ever could, but humans possess the analytics, domain expertise and valuable knowledge (29) _____ to solve problems and optimize factory floor production

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You may think that your genes determine your longevity, but the truth is genetics account for a maximum of 30 percent of your life expectancy.

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He saves his farts up all day then ...... all night in bed

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He was writing to his friend when he __________a noise.

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Based on the information we ------- from distributors and customers, we are planning to relocate our headquarters

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Don't put the blame _______________ me for your mistakes

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Please give me some recommendation to buy suitable books for my ten-year-old girl

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The more problems she has, _______ she may seem

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Peter is __________the radio

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If every member of the top management team doesn't ........ this project, it's never going to work

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The new consultant is still feeling her ________ in the hospital

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I’ll do it if he ................................ me

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Your voice reminds me of somebody, but can’t remember______

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I’ve had my car examined three times now but no mechanic has been able to…..the problem.

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I will______ the idea with the other teachers and see what they think about it

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One factor that ____ generation gaps is the accelerating rate of change in society. 

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At the beginning of the fiscal year, interest rates climbed ------- 3.2 percent, up half a point from the previous year

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There are _________tourists in London this year than last year