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Tomorrow we'll go to Noi Bai Airport to meet Maryam, _________comes from Malaysia.

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Do you ______________ any experience working with kids?

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He is_______a busy man that he really needs a helper

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Smart city projects are big investments that ____ social transformation,......

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Mr Jones is _______, unfortunately, so you’ll have to call again tomorrow

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When did the short skirt first ....... ?

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They should have gone early, ____?

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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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We might have failed if you______us a helping hand

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Animal ____ are being destroyed by human activities

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John ____ for the government since he graduated from Harvard University. Until recently, he ____ his work, but now he is talking about retiring

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____ anything so strange in your life?

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To many children, playing computer games is a form of ____

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The agency had ........ with its work and needed outside help

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Nowadays robots can ____________ the house

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A broad definition of ____ is when two separate items, each with different characteristics, come together and blend

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If your smartphone rings in class, it will be very annoying and disruptive

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............. that increasing numbers of compact-disc players will be bought by consumers in the years to come

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Many of those old buildings will soon be pulled ____________

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She admitted that she had ______________ a mistake

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.......... is my favourite hobby.