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............. the promotion of health and to helping people avoid injury and disease.

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Children should  be taught that they have to___________everything after they use it

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Some countries are still lagging behind the rest of the world in the vaccine race _______ a large number of resources diverted to advertising campaigns

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 This is my first ____________ to Africa.

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The more stamps he collects, _______ money he earns

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People go to a __________ to look at the famous works of art

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The invention of the mobile phone has undoubtedly revolutionized the way people communicate and influenced every aspect of our lives. The issue is whether this technological innovation has (25) _____ more harm than good. In order to answer the question, we must first turn to the types of consumers. Presumably, most parents (26) _____ are always worrying about their children’s safety buy mobile phones for them to track their whereabouts. We can also assume that most teenagers want mobile phones to avoid missing out on social contact. In this context, the advantages are clear. (27) _____, we cannot deny the fact that text messages have been used by bullies to intimidate fellow students. There is also (28) _____ evidence that texting has affected literacy skills. The widespread use of mobile phone has, out of question, affected adult consumers too. What employee, on the way home from work, would be reluctant to answer a call from their boss? Apparently, only 18% of us, according to a survey, are willing to switch off our mobile phones once we've left the office. Admittedly, mobile phones can be intrusive but there are obvious benefits to possessing one. Personally speaking, they are invaluable when it comes to making social or business arrangements at short (29) _____. They also provide their owners with a sense of security in emergency situations

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I’m not surprised she _____________ offence at his remarks

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My mother ____ old clothes while my father ____ the food packages for the next voluntary trip

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He _____ the guitar since he was twelve years old

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I need to stop staying __________ so late—I can barely function at work

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The friendship between Byron and Shelley ____ as one of the closest in English literature history.

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He is writing a letter of acceptance to the employer with the hope to get his favorite position in the company

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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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She talks too much but I wish she______

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Every employee is required to attend ------- one of the training workshops each month

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After graduating from university, I want to ____ my father's footsteps

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I ....... your car with great care, and I fixed a lot of little things

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Many think that trading stocks ------- an excellent way for investors to make profits

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It never stops raining here. I wish it______raining

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Over the past 50 years, near-surface air temperatures across Alaska and the Arctic ____ at a rate more than twice as fast as the global average