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Thanks to the back-up generators which were ------- installed, we could keep the plant operational during the power outage

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 Isolated from the mainland, the Con Dao islands are one of Vietnam’s star (4) _____. Long preserve of political prisoners and undesirables, they now turn heads thanks to their striking natural beauty. Con Son, the (5) _____ of this chain of 15 islands and islets, is ringed with lovely beaches, coral reefs and scenic bays, and remains partially covered (6) _____ tropical forests. In addition to hiking, diving and exploring deserted coastal roads, there are excellent wildlife–watching opportunities, such as the black giant squirrel and endemic bow–fingered gecko. (7) _____ it seems an island paradise, Con Son was once hell on earth for the thousands of prisoners who languished in a dozen jails during French rule and the American–backed regime. Many Vietnamese visitors are former soldiers (8) _____ were imprisoned on the island. Until recently, few foreigners visited Con Dao, but with the commencement of low–cost boat connections this looks sure to change

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The supermarket chain has promised to cut ___________ on packaging

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Under the threat of a strike, the management gave ___________ and agreed to reinstate annual pay increases for all employees

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How to _______________ research based on their theories has proved difficult for phenomenologists

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No sooner had we arrived at the station ______ the announcement started

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The warming of the Pacific Ocean has created weather patterns (31)__________ strongly affect the world. When the water is warm, the (32)__________ of rainfall in Indonesia and the surrounding regions decreases. Australia could even experience a drought in many parts. On the other hand, Chile (which borders the Pacific Ocean) is preparing for severe rainstorms. In Pakistan and northwestern India, the weather pattern makes the rainy season weaker and makes the area much drier. This happening is called El Nino and is used by weather forecasters to make long-range weather predictions. They also know that El Nino will (33)__________ unusually heavy rains to the southwestern part of the United States and make the central part of the country drier at the same time. According to research, weather forecasters (used to know about the coming weather with certainty. Now everything has become (34)__________ different. El Nino itself used to be (35)__________ . It would occur every two to seven years. But now, this weather pattern is becoming more frequent. We cannot say when and how often tornadoes or cyclones occur. Scientists are unsure of the reason for this change on a global scale either

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Typhoon Damrey has caused extensive damage ____ houses, boats and crops in Vietnam

Choose below answer A, B, C, or D to complete the sentence.  Steve can deal with difficult exercises. He’s a __________ boy.

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Look______ this document carefully before you sign it

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The building looked as though it was falling __________, because of the strange angles of the walls

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When it comes to children's schooling problems, both parents have to ____ responsibility

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A style of art can go out of fashion and then ..... into favour fifty years later

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He doesn't take hints very easily, but he'll ....... eventually

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Today we ______________ electricity for granted and perhaps we do not realize just how useful this discovery has been.

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Citizens engage with smart city ecosystems in a variety of ways using smartphones and mobile devices, as well as connected cars and homes

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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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A home to come back is what everyone __________ to have

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_______, we will have a game of tennis

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In mathematics, a variable is a symbol ................. some element of a set.

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The _______ of many species is leading to their extinction