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When you get involved in a volunteer project, you are able to ______ your knowledge into practice

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That day, I _______________ an experiment: how to use simple materials to produce a hot-air balloon

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They quarrelled …….the choice of a house.

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Anna often dresses ____ when going to the parties in order to attract her friends' attention

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Some of the students were ____ at English, so volunteer teachers had to try very hard

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I had to leave the dinner party after being _____________ to the blush by my own mother, who decided that my shortcomings were an appropriate topic of conversation

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A number of accidents in the last 2 years ______ caused by drunk driving

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Thanks to our modern lifestyle, with more and more time spent sitting down in front of computers than ever before, the (36) _____ of overweight people is at a new high. As people frantically search for a solution to this problem, they often try some of popular fad diet being offered. Many people see fad diet (37) _____ harmless ways of losing weight, and they are grateful to have them. Unfortunately, not only do fad diet usually fo the trick but also they can actually be dangerous for your health. Although permanent weight loss is the goal, few are able to achieve it. Expert estimate that 95 percent of dieters return to starting weight, or even (38) _____ weight. While reckless use of fad diets can bring some initial results, long-term results are very rare. Nonetheless, people who are fed up with the difficulties of changing their eating habits often turn to fad diets. (39) _____ being moderate, fad diets involve extreme dictary changes. They advise eating only one type of food, or they prohibit other types of foods entirely. This results in a situation (40) _____ a person’s body doesn’t get all the vitamins and other things that it needs to stay healthy

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Nobody’s got to stay late this evening, _____ ?

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Within an area of only 100 miles, Death Valley sinks to 282 feet below sea level while Mount Whitney ............. to a height of 14,494 feet

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It may be a very easy way to _____________ money, but that doesn't make it right.

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He has ______________ a mind to do his homework.

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The quality of some products has dropped ........ since last month

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Run! The bomb in the building could go ____________ at any moment

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Clifton was the place we went for that rainy vacation, ____?

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She was thrilled to get her old job ...........

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His disgusting conduct has ........ much blame

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I grabbed a chair in a blind panic but heard Dad .......  , telling me to put it down

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There were suggestions that her involvement had ..... the partnership

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Dreams are something for us to ....... and work for

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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