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The points raised about the exercise technique are not ________ to this presentation

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Not even once___________ the truth

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The clock is _______ the teacher's desk.

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Just because he doesn't ask __________ or want your help, doesn't mean he doesn't need it

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He is very skillful at ____ animal noises

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She .......................... if she has time

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The two men caught the virus _______ they were injected with the latest vaccine

There.................two rooms in my house.

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Only by speaking more _______ improve your fluency in English

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There _____________ a table and four chairs in the living room

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How to _______________ research based on their theories has proved difficult for phenomenologists

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I have to go hand __________ my term paper now

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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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 Your brother .............. tennis very well.

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We need to hire a nurse to care ____________ grandpa when he gets out of the hospital

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Make sure the kids wash ____________ before dinner

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How long ____ Gerry?

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Please give your form .......  before Monday

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She admitted that she had ______________ a mistake

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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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............... photosynthesis were to stop, life would disappear from the planet Earth relatively quickly