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overexposure to the sun can produce……..some toxic chemicals

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This is Mr and Mrs Simth, those are .................... children.

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Hurry up! Our uncle is coming. His plane will ___________in less than an hour

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Tell me something ________your family.

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Parents blame it on the mounting pressure on the children in schools and tuition classes

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The bedroom windows give .......... the street

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Education is more important today than ever before. It helps people acquire the skills they need for such everyday (34) _____ as reading a newspaper or managing their money. It also gives them the specialized training they may need to prepare for a job or career. For example, a person must meet certain educational requirements and obtain a certificate before he can practice law or medicine. Many fields, like computer operation or police work, (35) _____ satisfactory completion of special training courses. Education is also important (36) _____ it helps people get more out of life. It increases their knowledge and understanding of the world. It helps them acquire the skills that make life more interesting and enjoyable, (37) _____ the skills needed to participate in a sport, paint a picture, or play a musical instrument. Such education becomes (38) _____ important as people gain more and more leisure time

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They set _____________ to discover a cure for cancer

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You’d better ____ a commitment to being a volunteer on a regular basis

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Americans believe that the 50 states make ____________ a union that is greater than the sum of its parts

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He bought all the books ______ are needed for the English course

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Nowadays people are more aware that wildlife all over the world is in (01) _____. Many species of animals are threatened, and could easily become (02) _____ if we do not make an effort to protect them. In some cases, animals are hunted for their fur or for other valuable parts of their bodies. Some birds, such as parrots, are caught (03) _____ and sold as pets. For many animals and birds the problem is that their habitat - the place where they live - is disappearing. More land is used for farms, for houses or industry, and there are fewer open spaces than there once were. Farmers use powerful chemicals to help them to grow better crops, but these chemicals pollute the environment and (4) _____ wildlife. The most successful animals on earth – human beings - will soon be the only ones (5) _____, unless we can solve this problem

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It's good to get into the habit of making the ______________ in the morning. It's an easy accomplishment to start your day!

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As usual, the taxpayers will end up footing the _______ for the new animal shelter that the government is so busy boasting about

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It’s a rare piece of jewelry, but I wouldn’t like to put a _______________ on it.

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It took a while, but they finally .......... each other after being friends for years

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Children _________play football in the street. They _________ play it in the stadium

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______ he arrived at the bus stop when the bus came

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She sat there quietly, but during all that time she was getting ____ Finally, she exploded

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My house _________in 1986

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His doctor suggested that he______a short trip abroad