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The book isn’t too good. I’m sure he wrote it ………

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In order to increase productivity, we need to significantly improve our ------- of production

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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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All our products ...... months of testing

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Every afternoon I ……. for a walk in the garden.

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Many new immigrants have not yet assimilated fully ____ the new culture

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Would you please pick _______ that book from off the floor?

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Many of those old buildings will soon be pulled ____________

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I called _________ to my best friend when I saw her walking down the street, but she had headphones on and couldn't hear me

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He takes ___________ his mother's side of the family

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I asked Martha________ to enter law school.

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The company was plugged into turmoil after the hostile takeover bid was announced

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How much did you ___________ the plumber before he left?

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......... kids! Simmer down and get on with your work!

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Alice asked that all of us ….. her when she travels in Viet Nam

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Half of Martha's class has gone________________ flu

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Were my grandfather alive, he ____ learning something new. He was really a studious.

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The equipment had to be sent back to the manufacturer because it was damaged ------- repair

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

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These cats look immensely lovely,______?

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_______ the person is, the more privilege he enjoys.