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Many volunteer organizations have been ____ to give help and support to disadvantaged children in the area

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Alice asked that all of us ….. her when she travels in Viet Nam

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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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In developing countries people are ____ into overcrowded cities in great numbers

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Our teacher told us that if we don’t ___________ the environment, our grandchildren may not even be able to carry on living

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Scientists are looking for ways to cut ____ the cost of renewable energy sources.

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The ............... system controls the movement and emotion of our body

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The recently retired ballplayer _______ his locker and sadly left the stadium

Complete the sentences with the present simple or present continuous form.

................... Mary (have) ................. short hair?

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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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The earth spins on its axis and ................... 23 hours, 56 minutes and 4.09 seconds for one complete rotation. 

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 I’m not surprised Margaret's ill. With all the voluntary work she's __________,she’s really been doing too much

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Remember that even simple ____ changes can boost our immune system

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Would your sister like ______________ to make banh chung?

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Before ................., they used horse-drawn wooden carts

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Over the last forty years, psychologists _______ three methods which consistently improve memory for words

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Can you believe he set the charity ___________ when he was just 15?

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The bookstore is………… the movie theater

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My brother is now in hospital, ____ treatment of his upset stomach

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US and European demand for Chinese exports ...... sharply would have a big effect on Hong Kong companies

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I didn't think we would get __________ the last week of exams