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Before he left for the airport, Brian couldn’t help smiling in _______ of his coming adventure

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It seems entirely natural to us that there are teams of scientists in universities and (46) _____ institutions around the world, attempting to discover the way the world works. (47) _____, it hasn’t always been that way. Although the scientific method is now four or five hundred years old, the ancient Greeks, for example, believed that they could (48) _____ the cause of natural events just by the power of thought. During the 17th century, more and more people began to realize that they could test their scientific ideas by designing a relevant experiment and seeing what happened. A lot of (49) _____ was made in this way by individual scientists. These men and women often worked alone, carrying out research into many different areas of science, and they often received very little (50) _____ for their hard work. At the start of the 20th century, though, it became clear that science was becoming more complicated and more expensive. The individual scientists disappeared, to be replaced by highly qualified teams of experts. Modern science was born

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I have to ..... on my work so I can't come out

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These figures show a………in the number of unemployed people in England and Wales

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It's getting dark, so we'd better make __________ camp

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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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It’s very ________ of you to help me

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An earthquake is the result of a sudden release of energy in the Earth's crust that creates seismic waves. At the Earth's surface, earthquakes are recognized (25) _____ vibration, shaking and sometimes displacement of the ground. The vibrations may vary in (26) _____. They are caused mostly by slippage within geological faults, but also by other events such as volcanic activity, landslides, mine blasts, and nuclear tests. The underground point of (27) _____ of the earthquake is called the focus. The point directly above the focus on the surface is called the epicenter. Earthquakes by themselves rarely kill people or wildlife. It is usually the secondary events (28) _____ they trigger, such as building collapse, fires, tsunamis (seismic sea waves) and volcanoes, that are actually the human disaster. Many of these could possibly be avoided by better construction, safety systems, early warning and (29) ____ planning

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Tom sits______ Lucy and James.

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Let me just grab a pen so I can jot that number ___________

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The meeting will have ended _______

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If I had enough money, I ___________ abroad to improve my English

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I ........... my sister last month and we haven’t talked to each other since

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Arguing with Rick is futile; he’ll never accept that he was wrong

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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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Two of his teeth need _________

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He was ..... at the beginning of the war

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If you do not make a payment by the due date, a service ------- of two percent will be added

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The novel is good at getting the experience of war ...... to the reader

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I'm worried that Kelly might ...... the wrong crowd

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I don't know about you but I'm in _________ of a drink