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

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  How long will it take our contract to .......... ?

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  Unsurprisingly, many teenagers are ignorant of the problem of light pollution

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  Where is the ________bookshop, please?

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  Her health deteriorated rapidly _______ she smoked 10 times a day

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  Could you pass me ______________, please?

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  The tour guide ....... some copy travel brochures and took the visitors up into the mountains

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  Tina considers herself lucky when her parents are quite sympathetic ____ her and offer her valuable advice

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  I’m not sure my brother will ever get married because he hates the feeling of being ________ 

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  Nothing can ..... us if you just hold my hand

• Choose the letter A, B, C or D to complete the sentences. “…………………..” “I’m ten years old.”

• Complete the sentences with the present simple or present continuous form.

  We (visit) ................... our grandparents now.

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  What is your ___________subject at school?

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   _________? - From Vietnam.

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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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  Would you mind turning ___________ your radio? It's very distracting

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  When I was young and idealistic I believed it was possible to change the world

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  Seldom _____ dinner together

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  My flatmates want to ____________ a party, but I'm not keen on the idea

• Choose the letter A, B, C or D to complete the sentence: Mai often travels to work _____ car.

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  The characters in the novel are ________ and have no connection with any living person