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He looks like a different person __________stage.

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We knew it was time to leave the club when a fight broke _________ between guys at the bar

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Once _______ for its efficacy, the latest vaccine will be readily available

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After arguing about the problem for a long time, we agreed that we had to ..... brass tacks.

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I gave him my number and he promised __________ me

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_____, she managed to hide her feelings.

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Citizens engage with smart city ecosystems in a variety of ways using smartphones and mobile devices, as well as connected cars and homes

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She nearly died of a heart attack ...... by fear

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She specialises in business administration, _______ ?

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Urbanization programmes are being carried out in many parts of the world, especially in densely (33) _____ religion with limited land and resources. It is the natural outcome of economic development and industrialization. It has brought a lot of benefits to our society. However, it also (34) _____various problems for local authorities and town planners in the process of maintaining sustainable urbanization, especially in developing countries. When too many people cram into a small area, urban infrastructure can’t be effective. There will be a (35) _____ of livable housing, energy and water supply. This will create overcrowded urban districts with no proper facilities. Currently, fast urbanization is taking place predominantly in developing countries where sustainable urbanization has little relevance to people's lives. Their houses are just shabby slums with poor sanitation. Their children only manage to get basic education. Hence, the struggle for (36) _____ is their first priority rather than anything else. Only when the quality of their existence is improved, can they seek (37) _____ other high values in their life

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She tested positive for coronavirus _______ she was in close contact with her husband who had been infected with the virus

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Your voice reminds me of somebody, but can’t remember______

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_______ he travelled for business for many years, he never got used to the feeling of jetlag

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 Tim tries to himself with everyone by paying them compliments

In the spring, the weather is ………….

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I'm saving all my pocket money __________ to buy a new PlayStation

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You'll have to work harder to ...... with the top students in your class

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I hope to pass my exams next month and finally _______________ my university degree.

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

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Flowers of this kind grow very quickly if there is enough warmth and sunshine

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Mobile phones emit microwave radio emissions. Investigators are questioning whether exposure to these radio waves might (39) _____ to brain cancer. So far, the figures are not final. The precise evidence does not enable us to say in certain that mobile phones are definitely safe. On the other hand, recent research has not yet (40) _____ clear adverse effect associated with the prolonged use of mobile phones. Many studies are now going (41) _____ in numerous countries. Some of the results are contradictory but the others have shown an association between mobile phone use and cancer. However, these studies are preliminary and the issue need further, long – term investigation. (42) _____ the scientific data is more definite, it is advisable for people to try not to use mobile phone for long periods of time. Don’t think that hands free phones are any safer either. At the moment, research is in fact showing the opposite and they may be just as hazardous. It is also thought that young people (43) _____ bodies are still growing may be at particular risk