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My mother is exhausted because she  …………………hard for 9 hours

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_______ you study, _______ marks you will get.

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The smell was so bad that it completely________ us off our food

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The system that lets us take in oxygen and release carbon dioxide is called ................... system

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Due to the foot-and-mouth pandemic, the company was forced to reappraise its strategy

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Three hours is a long time in the cinema, longer than most audiences are prepared to _______

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………… does your teacher live?" - "He lives in the center of the town."

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He's played on the team for years, but he's _____________ his bow as team captain tomorrow night

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A generation gap or generational gap, is a difference ____ opinions between one generation and another regarding beliefs, politics, or values

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You don't need to dress _______ to go to the mall - jeans and a T-shirt are fine

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In developing countries people are ____ into overcrowded cities in great numbers

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Now that Thanksgiving has come and gone, it's time to dust ____________ the Christmas decorations

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Roads were _______ as police searched for the escaped prisoner

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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 spent all his money through………

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The ticket machine in the station was out of ......... so I couldn’t buy a ticket for my train

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The government hopes their program will help new immigrants ____ well in the community

Choose the letter A, B, C or D to complete the sentences. 

Mai:“Good morning, Lan.”

Lan: “…………….”

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Someone had ......  through the bedroom window

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overexposure to the sun can produce……..some toxic chemicals

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His school had suggested he ......... the Young Musician of the Year competition