'No, no, you really must stay a bit longer!' said the boys.

Skills can be enhanced by the appropriate use of technology in certain circumstances.

Drone racing is an exciting new sport that has become popular faster than (29)______ 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 (30)________ 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. (31)________ are short because the battery time of drones is limited. (32)_______ 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 American sports channel, will be broadcasting international drone races starting this August. Races are also recorded and uploaded to YouTube and other video platforms (33)________ they can be viewed over and over again.

Bill really wants to buy a pair of shoes. He doesn't have enough money.

Such shameful things_______ in public places.

Mark the letter A, B, C, or D on your answer sheet to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions.

The more time you spend on preparing for the test, the high scores you may get.