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Mary said she would .......... with us, come hell or high water

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It's relatively easy to ______________ little tweaks to a production system

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People think they can make a ____ with rhino horns

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How can a person offend people just because they cross their legs? In Thailand, it is rude for a person to show other people the bottom of their feet. This is considered unclean, and Thais can (33) _____ serious offense at it. Another thing people do in the West is to touch people on the head especially children. It is very normal to see an old woman walking up to a young boy and (34) _____ his hair tenderly while saying what a handsome young man he is. In Thailand, touching a person’s head is strictly taboo because that is the (35) _____ part of the body, and it is where the (36) _____ is thought to reside in a person. Although very close family members might touch a child on the head, even this is considered rude after a child grows up. In the Middle East and some parts of Asia, the left hand is used to wash oneself after using a toilet. (37) _____, the left hand can never offered to another person or used to eat with. Food must always be passed with the right hand, and it is considered polite to always use the right hand for social interactions

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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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 __________ we plant more trees, the air won’t be so polluted

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The country's infrastructure is in poor condition and needs to be upgraded

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Don't __________your bicycle too fast!

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Have orange juice, _________?

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 I’ll hand over all my files to my assistant before I______.

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When summer comes and the sun appears, it’s good to have a hat. Many people have traditionally (30) _____ for the panama hat. Stylish, light and cool on the head, these palm leaf hats are (31) _____ enough to roll up and put in a pocket or bag. Nowadays panamas can be found in fashionable shops all over the world, sometimes at exorbitant price. However, the hat itself originated in rather humble surroundings in the jungles of South America. In a long tradition (32) _____ was haned down from generation to generation, the palm leaves are gathered by the men and the hats are woven by the women. It can take up to 12 palm leaves to make a top quality hat. Each leaf is split up to 25 times to obtain a straw that is fine enough to be woven into a hat. The women’s job is dictated by the weather and visibility: there must be enough light for them to see the fine straw, but the air must be moist enough for it to (33) _____ flexible. This means that the women can usually only work in the early morning. (34) _____ panama hats are expensive, back in the villages the craftsmen and women are struggling to keep the tradition alive and often receive only a fraction of the price you pay in the shops

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He was pleased that things in his university were going on __________

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Some people feel a strong ____ to keep their cultural identities

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She wondered whether to ...... on Jacbob on the way home

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At the moment, students in England, Wales and Northern Ireland are required to pay for both their tuition fees and ____ expenses

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All afternoon the kids were out on the beach and so Eva and I _______ some serious talk about what was going wrong in our marriage. With the children around, such discussion would have been impossible

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I had to read the letter twice before I could take it all _________

Hanna _____________ shorts and shirts to the pagoda tomorrow.

We are watching Tom and Jerry on ________.

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

We (visit) ................... our grandparents now.

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With 1960 islands in different sizes and an unbelievable smooth sea surface, Halong Bay ____ its name to one of the worthiest places in the world to visit