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It is important to _____________ in mind the historical dimension of these issues

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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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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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If traffic moves at low speed, the number of accidents is _________

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Scarcely had Jake ______ the book report when Alan came in

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Thirteen people helped Michelangelo create his masterpiece on the ceiling of the Sistine Chapel

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My ______ motorbike is in the garden

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To ensure the assembly workers remain -------, the supervisor asks them not to chat during the work hours.

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If we ____ the roads in this area, the economy can develop

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As the actor ....... stage, the photographers jockeyed for position at the front of the hall

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“Yes, to......  means to break off plans you had with someone”

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What time do we set ___________ tomorrow?

Complete the sentences with the present simple or present continuous form.

................... Mary (have) ................. short hair?

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It has taken them all this time to _______ on a name for their baby

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The planets move ___________ the sun in ellipses

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The Brown are a new family here. They don't know where the largest market is ____

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If we run out of cash, we will have to fall ....... the money in our savings account

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After months of planning, the launch came ___________ thrillingly

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 Isolated from the mainland, the Con Dao islands are one of Vietnam’s star (4) _____. Long preserve of political prisoners and undesirables, they now turn heads thanks to their striking natural beauty. Con Son, the (5) _____ of this chain of 15 islands and islets, is ringed with lovely beaches, coral reefs and scenic bays, and remains partially covered (6) _____ tropical forests. In addition to hiking, diving and exploring deserted coastal roads, there are excellent wildlife–watching opportunities, such as the black giant squirrel and endemic bow–fingered gecko. (7) _____ it seems an island paradise, Con Son was once hell on earth for the thousands of prisoners who languished in a dozen jails during French rule and the American–backed regime. Many Vietnamese visitors are former soldiers (8) _____ were imprisoned on the island. Until recently, few foreigners visited Con Dao, but with the commencement of low–cost boat connections this looks sure to change

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The supermarket chain has promised to cut ___________ on packaging

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On the way back, we dropped ...... on my parents