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Cellulose, which ............. for making paper, can be found in all plants

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He’s never made an effort to keep _____________ current events

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The burglars disabled the alarm and used a glass cutter to ....... the house

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A skilled population is the key ____ a country's sustainable development and stability.

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Once you get all of your sewing supplies .........  , I'll come help you

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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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Everyone wants to reduce pollution. But the pollution (30) _____ is as complicated as it is serious. It is complicated because much pollution is caused by things that benefit people. (31) _____, exhaust from automobiles causes a large percentage of air pollution. But the automobile provides transportation for millions of people. Factories discharge much of the material that pollutes the air and water but factories give (32) _____ to a large number of people. Thus, to end or greatly reduce pollution immediately, people would have to (33) _____ using many things that benefit them. Most of the people do not want to do that, of course. But pollution can be gradually reduced in several ways. Scientists and engineers can work to find ways to lessen the amount of pollution that such things as automobiles and factories cause. Governments can pass and enforce laws (34) _____ require businesses and traffic to stop, or to cut down on certain polluting activities

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............. ants live in colonies, keep farms, go to war, carry off slaves, and have a society somewhat like human beings.

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All his plans for starting his business fell _____

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Initial fears about the compatibility of the program with personal computers have ------- been resolved and the manufacturers have begun production

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

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Physical fitness exercises can cause injuries ................. the participants are not careful.

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____, but would you mind helping us on our essay?

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The coronavirus is so _______ that all citizens in this city contract it

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Most people think of computers as very modern inventions, products of our new technological age. But actually the idea for a computer had been worked out over two centuries ago by a man (39) _____ Charles Babbage. Babbage was bom in 1791 and grew up to be a brilliant mathematician. He drew up plans for several calculating machines which he called "engines". But despite the fact that he (40)_____building some of these, he never finished any of them. Over the years, people have argued (41)_____his machines would ever work. Recently, however, the Science Museum in London has finished building(42)_____engine based on one of Babbage's designs. (43)_____has taken six years to complete and more than four thousand parts have been specially made. Whether it works or not, the machine will be on show at a special exhibition in the Science Museum to remind people of Babbage's work

Choose the best option (A, B, c or D) to complete these sentences.

If we plant more trees in the school yard, the school will be a ................... place.

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While we ____ in the park, Mary ____.

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Are you free ____ the evening? - Yes, I am

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“Any news from Vicky?” “Yes. She _______ tomorrow on the 9:15 train.”

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People use _________ to wash clothes

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That country was brought……..to disaster.