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They are _______tennis

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While the teacher was explaining to the whole class, she ____ carefully

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The team's project manager, Eileen, is known ------- her exceptional organization skills

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She _______ for 2 hours and she is very tired now

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When we went to Boston, we only had a couple of hours to look ____________

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You need to walk _____ this road quickly. There’s lots of traffic.

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Nam’s parents are very______ with his success

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She tried to _________ the attention of the waiter

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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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I telephoned the airport to make _________of the time of the plane.

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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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Volunteers become well ____ of the problems facing the world

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No one is a better cook than my sister, ________?

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If you don’t study harder there is no way that you will make the grade

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------- our factory is to maintain its relationships with our retailers, we must increase production

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Lisa................. aerobic everyday

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Robert de Niro began acting in the 1970s. He has been ____ for about 35 years.

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While the theory is indeed very important, part of it is expendable and should be done away with to make the lesson easier to understand

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The Professor ____ his ideas clearly in the lecture.

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Everyone wants to reduce pollution. But the pollution (30) _____ is as complicated as it is serious. It is complicated because much pollution is caused by things that benefit people. (31) _____, exhaust from automobiles causes a large percentage of air pollution. But the automobile provides transportation for millions of people. Factories discharge much of the material that pollutes the air and water but factories give (32) _____ to a large number of people. Thus, to end or greatly reduce pollution immediately, people would have to (33) _____ using many things that benefit them. Most of the people do not want to do that, of course. But pollution can be gradually reduced in several ways. Scientists and engineers can work to find ways to lessen the amount of pollution that such things as automobiles and factories cause. Governments can pass and enforce laws (34) _____ require businesses and traffic to stop, or to cut down on certain polluting activities

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Many animals in the wild are suspicious and fearful of human beings. Many animals would take escape instantly (20)_____a human approaches. Man, however, soon discovered that some animals can be tamed or domesticated. Unlike animals in the wild, these animals would (21)_____ man to come close to them. They would even allow their owners to stroke or pet them. In the early times man would domesticate animals by setting traps to catch their young. A young animal is (22) _____ easily domesticated than an adult one. From young,the animal learns to trust and obey its owner. Many different kinds of animals have been domesticated. Some common examples are animals like horses, elephants, chickens and pigs. The dog, which is also (23)_____ as "man's best friend", is one of the first animals to have been domesticated. In England, long ago, the pig was a wild animal. It was a ferocious and aggressive (24)_____which was not easily captured. Yet nowadays, the domesticated pig is no longer the lean and tough than creature it used to be