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In regions of volcanoes, houses should be built with ____ materials

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Michelson is at the travel agency. 
Michelson: “How much is the tour price?”  Travel agent: “ _______ ."

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People ____________ exercise to keep fit.

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The manager regrets _____ that a lot of people will be made redundant by the company next year.

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Tom is still ........... his divorce, so he's been a little distant at work

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Garlic being sold as organic was found to contain pesticide ________ and was removed from the market

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Please give your form .......  before Monday

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A good knife is probably one of the most useful things you can have in a kitchen

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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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Helen Keller lost both her sight and hearing after a severe illness .................

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My father ______ at 70 km/h when a policeman stopped him

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They are very______ and have no time for a hobby

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Most young people, independent as they seem, do not feel ready to make big decisions. They may feel immense pressure trying to decide what to do when they leave school.

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Taking a gap year will allow you to reach a level of emotional ________ that will stay with you for a lifetime

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Honestly, I decided not to spend my money to buy her a _______ hat

Those children always help their parents ................the house work.

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The law requires that everyone______his car checked at least once a month 

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I want to travel because I enjoy __________ people and seeing new places

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Polar bears are in danger of dying out. (25) _____ some other endangered animals, it's not hunters that are the problem, it's climate change. Since 1979, the ice cap at the Arctic Circle where the polar bears live has reduced in size by about 30 per cent. The temperature in the Arctic has slowly been rising and this is (26) _____ the sea ice to melt, endangering the polar bears' home. The polar bears' main sources of food are the different types of seals found in the Arctic. They catch them by waiting next to the air holes seals have made in the ice. (27) _____ the bears are very strong swimmers, they could never catch seals in water. This means that the bears really do rely on the ice to hunt. Polar bears also need sea ice to travel. They can cover a huge territory and often swim from one part of the ice to another. They have been (28) _____ to swim up to 100 km, but when there is less ice, they may have to swim further and this can (29) _____ fatal to the bears. A number of bears have drown in the last few years and scientists believe that it is because they were not able to reach more ice before they became too tired and couldn't swim any further

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

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The best travel books of this year fall into three main categories: _________ informational, narrative, and anecdotal