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What  …………………you  …………………in the kitchen? – It’s been hours

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Mr. Chen is more _____ because he has finally agreed to allow his daughter to join an overseas volunteer organisation in Africa

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I put _____________ weight when I went away to college

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I first __________Melbourne in 2003

In the North of Vietnam, people usually buy _____________ blossoms on New year.

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She is afraid of _________

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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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“I’d like to take four weeks” holiday”. “ ……………We have too much work to do

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Many groups worldwide are trying to develop vaccines that protect against a wide range of coronaviruses and prevent (26) _______ pandemic. These efforts have now been boosted by the discovery that some healthcare workers had pre-existing immunity to the SARS-CoV-2 virus during the first wave of the pandemic. During the first half of 2020, around 700 healthcare workers in the UK were tested weekly as part of a crowdfunded study called Covid Sortium. Most of these people, who wore protective equipment, never tested positive for covid-19 in PCR tests or developed covid-19 antibodies – proteins that (27) _______ to the outside of viruses, preventing cells from being infected. (28)_______ , when Leo Swadling and Mala Maini at University College London and their colleagues looked more closely, they found some of those (29) _______ tested negative had a protein in their blood that is linked to covid-19 infection, as well as T cell responses to the SARS-CoV-2 virus. T cells are (30) _______ of the immune system

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Roosevelt was what we might call a "lifetime learner." Learning became, for him, a mode of personal enjoyment and a path to professional success. It's a habit many of us would like to emulate.

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Does the ship ..... Vienna?

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The rebels were forced to ............

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I’m not surprised she _____________ offence at his remarks

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So beautiful _____ that the Queen is envious with her

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

We might ………….. smart phones surfed the Internet.

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How long does it take you to __________ in the morning?

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He said the government would ..... the necessary legislation to deal with the problem

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I spent an hour at the station _________ for the train

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The company admitted to discharging a lot of waste to the local river and was willing to take responsibility for it.

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_________ the problem, he wouldn't have committed those mistakes

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He ______ on the phone for hours