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 __________ we plant more trees, the air won’t be so polluted

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I ........... my sister last month and we haven’t talked to each other since

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Nam and Minh ________playing soccer in the yard at present.

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Charles Dickens is ___________ as one of the greatest names in English literature

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It used to be assumed that jellyfish were among the simplest life forms, as it had no brain or central nervous system.

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Many colleagues admire Kelly because she has found happiness in both ____ and private life

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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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The doctor _________me not to stay up too late at night.

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We have to wait for the bus, ____?

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Does your mother _____________ special foods on New Year?

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 All his plans for his own business fell___________ 

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Enthusiasm for this project has really given __________ after all the delays

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They were expected ____ back by eleven

Choose below answer A, B, C or D to complete the sentence.  What does Hung look like?

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She gave ..... most of her money to the charity

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I ________ by then.

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They set _____________ to discover a cure for cancer

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They are not likely to ________ information during the current armed conflict

Choose the best option (A, B, c or D) to complete these sentences.

If we plant more trees in the school yard, the school will be a ................... place.

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The black lettering really stands __________ on that orange background

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The young man would always ..........  if there were any girls