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Power lines were ...... and we had a blackout of several hours

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His excuse for being disrespectful to the disabled sounded quite ____, so we did not accept it

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My dad's eyesight is getting ____. He can hardly see anything these days

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I’m not very good at golf – I only took it ______________ recently

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People usually can get a sufficient amount of the calcium their bodies ............. from the food they consume.

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Jane is talking to Mike, her husband.
Jane: “ _______ ”
Mike: “Don’t worry. I will hold another job.”

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You can ..... pies and cakes, though cranberry sauce, jams, gravy, and other liquid or jellied foods are restricted to 3.4 ounces

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The more______ we walk, the longer it will take us to get home

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Earl was one of the first American artists …………………. landscapes.

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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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Our store is closed this week ------- the security system is enhanced

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“ Oh, I'll ......... that informant before he speaks to the police again, don't worry”

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Seldom___________ treated like that

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My landlord's given me a week to clear ___________ of my flat

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Children __________ play football in the street

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Most accidents in the home can be prevented by ................. elimination of hazards

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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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____ time to interact with people will give you a feeling you will never forget.

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Weak men wait _________ opportunity, but the strong men make it

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Winter visitors to the heritage site probably arrive in November, sometimes October, and are most numerous in November and December

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To avoid unnecessary injury, the coach insisted that the players' tackling drills______on the proper way to fall down