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Never before___________ such a disaster

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

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He admitted ____ the car but denied ____ it by himself

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The organization has no income and no reserves to fall back _________

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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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The well-dressed businessman looked down _________ the kid wearing a T-shirt in the elevator, not knowing that he was the new CEO

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It was customary then for children to stand __________ when the teacher came into the classroom

.... name is Lan.

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You pass an empty house and see a notice outside it which reads: "___________

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You can ____ books, clothes, medicine and money to this charity

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I put ___________ a little every month for a deposit on a house

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They went ..... the job as if their lives depended on it

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My mom ________ for two days by the time I see her.

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I ____ her for so long a time that I've forgotten what she looks like

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The executives of Walt & Warren have finally reached a ------- regarding the merger with Grainger Enterprises

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I know we had an argument, but now I'd quite like to ____________ 

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I've got to get into town. Can you give me a _____________?

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Cable cars are moved by cables ____ underground and are powered by a stationary engine

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

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All the employees had read the instructional manuals _______

Choose the letter A, B, C or D to complete the sentence: In many countries, there are four_____________ in a year.