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He ____ on his essay all day, but he ____ yet.

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  How many floors _________ your school have?

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  No sooner ___ dinner than the ceiling crashed onto the dining table

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  I’d prefer to have a healthy ________ than greasy fried food

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  We..................a  party next Saturday. Can you come?

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  He was writing to his friend when he __________a noise.

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  Students ____ cheat in the exams; it is against the rules

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  No, you're not the star player on the team, but you always do your ______________, which encourages the rest of us to do the same

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  From the window we could see the children _________ in the yard

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  His doctor suggested that he______a short trip abroad

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  Some people are born with a disability, others become disabled as a result of an illness or injury, and some people ____ them as they age.

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  She went ........ a coma and died without recovering consciousness

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  Luckily! You are here. We  …………………  for you since yesterday

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  I hope that this winter won’t be______ last year

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  Fish don't _________noise as other pets do

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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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  It is desirable that the hotel manager______to call the maintenance staff every 6 months to clean up the air conditioners

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  Two students are talking about space exploration.
  Ted: “I believe that one day people will be able to live on another planet.”
  Kate: “ _______. Scientists have found some places outside the Earth which are habitable.

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  His parents ______________ his way all through college, so it's no wonder he has no concept of working to earn his own keep

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  As a sales representative, ------- have to develop your interpersonal communication skills.

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  After months of planning, the launch came ___________ thrillingly