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I'm so sad to hear that Mara and John broke ____________—I thought those two would be together forever

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Tourism is changing rapidly as nature, heritage, and recreational destinations becomemore important, and as conventional tourism is forced to _____ tougher environmental requirements

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When you get involved in a volunteer project, you are able to ______ your knowledge into practice

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Ho Chi Minh city is .............. than Hanoi.

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There’s something wrong with the stove,______?

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People of different countries have quite different life styles. We American are wasteful people, (25) _______ saving. Our grandfathers began this pattern, for nature’s resources seemed so plentiful that no one ever imagined a shortage. Within a few years of the first Virginia settlement, for example, pioneers burned down their houses when they were ready to move to west. They only wanted to have the nails for (26) _______ use. No one ever gave a thought to the priceless hardwoods that went up in smoke. We the people in the United States destroy many things that other peoples save. I (27) _______ this when I was living in Britain. I received a letter from one of England’s largest banks. It was enclosed in a used envelop that had been readdressed to me. Such a practice would be (28) _______ in the United States. American banks, (29) _______ the smallest, always use expensive stationery with the names of all twenty-eight vice-presidents listed on one side of the page

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The system that works as the control panel of the body in the .................. system

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No sooner ___ dinner than the ceiling crashed onto the dining table

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It might help you to understand Julia if you think ______________ when you were her age

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On Sunday, our family members usually __________ and enjoy a good meal

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You have to be willing _________ other people's points of view

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Drone racing is an exciting new sport, that has become popular faster than (1)______ other sport before it. Pilots steer small and lightweight, but high-powered drones along courses with obstacles. They fly through gates and around flags at speeds of over a hundred miles an hour. They control the drones using VR-like headgear. Every drone has a camera (2)______ to it so that spectators can also view flights either on a big screen or with special headgear. The races take place either outdoors - in big stadiums, or indoors in old warehouses and sports arenas. (3)______ are short because the battery time of drones is limited. (4)______ drone racing started only a few years ago there are already international competitions that take place all over the world. In professional leagues, drone pilots compete for thousands of dollars. In March, the World Drone Prix was staged in Dubai. A 16-year old British teenager not only one the race but also received a prize money of 250 000 dollars. Television and other media have become aware of drone racing. ESPN, an Amercian sports channel, will be broadcasting international drone races starting this August. Races are also recorded and uploaded to YouTube and other video platforms (5)______ they can be viewed over and over again

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

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We need to hire a nurse to care ____________ grandpa when he gets out of the hospital

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The stars ..... as soon as it was dark

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I know Adam _____________ your heart, but there are lots of guys out there who would treat you well.

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The fall in the number of deaths from heart disease is generally attributed to improvements in diet

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Two students are talking with each other. Complete the exchanges with the best answer:
A: "I'm going to take a course in first aid skills." – B: “____”

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A paddy-field is a rice .......................... 

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Please ..... your dog; it's barking at the children

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He said he______ for five hours