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Those ______pens and pencils.

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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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Some organisms seem to be potentially immortal. Unless an accident puts an end to life, they appear to be fully capable of surviving indefinitely

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Would you like to ....... at this point, Susan?

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Will you ________ by 8am?

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____ the institution type, in the United States, students typically earn credits for courses they take and these credits count towards the completion of a program

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My mother told me to do the ____ yesterday but I forgot about it since I had much homework to finish

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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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Insects and bugs _____

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She was totally amazed at the _______ laptop I gave her

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Forests ____ humans with many valuable things

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The lecture was so dull that soon the audience begin to .......

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 ___ picture do you prefer, this one or that one?

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Now that Thanksgiving has come and gone, it's time to dust ____________ the Christmas decorations

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I have been waiting for you……………

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My old friend, Manh …………………… to me twice a month.

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After Mary______ her degree, she intends to work in her father’s company

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I will award extra credit to anyone who goes ______________ the parameters of the assignment with their research

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Only when I have free time _______ television

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After Lily fainted, we used smelling salts to get her to come _____________

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The government hopes their program will help new immigrants ____ well in the community