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If we _____ wasting water, there will be a shortage of freshwater in a few decades

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The Pyramids _________by the ancient Egyptians

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In 1911 Marie Curie _______ a Nobel Prize in Chemistry in recognition of her discovery of the two elements radium and polonium.

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Forty-niners ............. to California for gold in 1848

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Of Charles Dickens' many novels, expectations perhaps ................... to many readers.

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After the power went_____________ , I spent the night reading by candlelight

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 ________is your brother? - He is thirteen years old.

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Not even once___________ the truth

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Where is the ________bookshop, please?

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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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_______ it further with her husband, she decided to accept the job offer

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It is gravity ................. objects toward the earth. 

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Recently, a gang of enterprising New Zealanders ____ an incredible scheme to raise awareness of depression and mental health issues

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It's reported that by the end of this month the output of cement in the factory ____ by about 10%.

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When Tet holiday comes, Vietnamese people often feel inclined to _______ their houses

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............... billions and billions of stars exist in the vast space beyond our Milky Way galaxy.

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Peter bought a(n) _______ book as a gift for his younger sister on her 15th birthday party

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One of my distant relatives is wavering between buying a house in the inner city or moving away

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If he ____ this homework to do, he would have gone out with his friends.

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_____ did Jane accept the job

Choose the best option (A, B, c or D) to complete these sentences.

Where are you, Hai? - I’m downstairs. I ..................... to music.