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You need to dress _____________ for this event tonight—a suit and tie would be appropriate

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The students become more and more worried as the exam dates are approaching

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My father _______ the roof when it started to rain.

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The plane had moved onto the runway and the cabin crew were standing _______ take-off

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This new car runs __________ electricity. It is the latest product

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Rice is a ……..which is exported to other countries.

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According to the world university rankings compiled by the Times Higher Education, more than half of the world's top 200 universities are located in either the US or the UK

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In this subject, we paint, draw and study famous artists.

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People of different countries have quite different life styles. We American are wasteful people, (25) _______ saving. Our grandfathers began this pattern, for nature’s resources seemed so plentiful that no one ever imagined a shortage. Within a few years of the first Virginia settlement, for example, pioneers burned down their houses when they were ready to move to west. They only wanted to have the nails for (26) _______ use. No one ever gave a thought to the priceless hardwoods that went up in smoke. We the people in the United States destroy many things that other peoples save. I (27) _______ this when I was living in Britain. I received a letter from one of England’s largest banks. It was enclosed in a used envelop that had been readdressed to me. Such a practice would be (28) _______ in the United States. American banks, (29) _______ the smallest, always use expensive stationery with the names of all twenty-eight vice-presidents listed on one side of the page

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Mrs. Lewis made the decision to resign from her post after a long discussion with -------colleagues

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My grandparents are quite old now and sometimes they have to _______ up and down steps

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With many customers waiting for more affordable computers, Simon Tech is ------- to release its latest model

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I was with Overseas Volunteers (OV) for a year after leaving university, and I was sent to an isolated village in Chad, about 500 kilometers from the capital N'Djamena. Coming from a rich country, I got quite a shock, as conditions were much harder than I had expected. But after a few days I got used to (11)_______ there. The people were always very friendly and helpful, and I soon began to appreciate how beautiful the countryside was. One of my jobs was to supply the village (12)______ water. The well was a long walk away, and the women used to spend a long time every day (13)______ heavy pots backwards and forwards. So I contacted the organization and arranged to have some pipes delivered. (14)______ these pipes were not really perfect, they still made a great difference to the villagers. All in all, I think my time with OV was a good experience. Although it was not paid, it was well worth doing and I would recommend it to anyone (15)______ was considering working for a charity

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Where did they _________ their summer holiday?

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She cried because they made fun ______________ her.

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How long does it take you to __________ in the morning?

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Elephants scratch themselves with sticks .................. 

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Your father used to swim in the country river, ____?

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Would you mind turning ___________ your radio? It's very distracting

She___________ to work every day.

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To better understand the effects of crying in humans, it is also important to consider the animal counterparts to human crying (in the domain of communication), as well as other animal behaviors that might serve stress-reducing functions. In all mammals and most birds, offspring react with (25)_____ calls or distress calls to being removed from the parents. There can be little doubt that this is the phylogenetic basis of the acoustical crying of human infants. This very basic form of crying is meant to undo the separation from the parents and it is not likely to have any direct soothing function. Rather, this behavior seems to be associated with a state of increased arousal and result in soothing because of the comfort and support it elicited, that is, because it has (26)_____ its inter-individual function. In animals, distress calls are mainly (27)_____ by young offspring, and they are never accompanied by the production of tears. (28)_____ , candidates for the mechanisms that might contribute to reduction of distress in non-human animals (and in humans as well) can be found in displacement behaviors and stereotypes, (29)_____ are proposed to serve communicative functions as well