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…………………..do you come to school ? By bus

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Of all high school courses, mathematics _____ to be difficult

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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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Many measures have been taken to ____ people's awareness of conservation

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Mobile phones emit microwave radio emissions. Investigators are questioning whether exposure to these radio waves might (39) _____ to brain cancer. So far, the figures are not final. The precise evidence does not enable us to say in certain that mobile phones are definitely safe. On the other hand, recent research has not yet (40) _____ clear adverse effect associated with the prolonged use of mobile phones. Many studies are now going (41) _____ in numerous countries. Some of the results are contradictory but the others have shown an association between mobile phone use and cancer. However, these studies are preliminary and the issue need further, long – term investigation. (42) _____ the scientific data is more definite, it is advisable for people to try not to use mobile phone for long periods of time. Don’t think that hands free phones are any safer either. At the moment, research is in fact showing the opposite and they may be just as hazardous. It is also thought that young people (43) _____ bodies are still growing may be at particular risk

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She didn't come to the party because her car broke _________ on the way here

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Her teacher _______her to come and see him

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____ is a person who works at home and takes care of the house and family

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The book would have been perfect ....... the ending

Choose below answer A, B, C, or D to complete the sentence. It’s very _________ of you to help me.

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As of next week, all workers will be _____ to wear hard hats while operating the forklifts

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Last year we managed ____ a holiday that suited everyone

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All the applicants have to ____ the application form and sign it.

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The earth ……………………. the sun

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Only if I had known the difference___________ the more expensive car

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Fresh evidence has recently _____________ to light that suggests that he didn't in fact commit the murder

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------- the initial prototype and the final model of the keyboard featured customizable media keys

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 ___ is that woman?  - I think she is a teacher

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The candidate had already won a majority by a large margin,but election officials counted the rest of the votes--------

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The train was_____ from leaving because of a signal failure

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Since he is often ignored by his colleagues, he ____ has the opportunity to demonstrate his ability