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Mary had to look after her younger brother when her parents are on business,______?

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He came ____________ me in the club and asked if I would like to dance

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There was so much noise that the speaker could not make himself ____

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Numbers of his opponents had been captured or ........ to him

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The older generations find contemporary art utterly _______

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I ______ an important phone call from America. Could you tell me when it comes?

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It took me months to save ___________ enough money to go travelling

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Uneducated people, the kind ____ lack information about life, themselves, and the world, make poor choices in their life that take away from themselves and society.

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Cable cars are moved by cables ____ underground and are powered by a stationary engine

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The workers ____ a new representative

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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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He says that the cup ..... in his hands, but I think he must have dropped it

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She suggested that we______in the lobby of the hotel at 9:00 a.m

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He threw __________ the wrapper after he finished eating the candy bar

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Mr Brown is not a serious investor, but he likes to……..in the stock market

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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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The first effective step in historic preservation, however, ____ what buildings or sites are worthy of protection

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American students take part __________ different activities at recess

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The ................ today is higher than yesterday. It must be over 37 C

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If you have any comments or suggestions, please let us know - we always appreciate feedback from friends

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Contact is ____ connecting students with volunteer organisations abroad