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I believe that squash is one of the most demanding sports, _______ ?

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Ms. Bradshaw informed Mr. Tanner that she would be working for ------- office as an intern over the summer

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Last Sunday, Texas-based game-fans The Speed Gamers ____ in a charity activity to donate money to relief organisations

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............. is no way to tell the exact number of heroin addicts in the United States. 

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We knew it was time to leave the club when a fight broke _________ between guys at the bar

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I have run ___________ of patients with him, he still has not completed the task that I gave him

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That he was using unscrupulous research methods only came out because his assistant _______ on him to the press

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Mr. Chen is more _____ because he has finally agreed to allow his daughter to join an overseas volunteer organisation in Africa

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Since the news that coffee can be very harmful to one's health was broadcast, the consumption of coffee has dropped to a much ------- level than in years past.

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__________ the Haunted Theatre is frightening, children love it

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We do expect to meet your new manager - you've been _______ his praises ever since he arrived

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Antonio Gaudi, architect of Barcelona's Holy Family Church, died before seeing ............... the structure

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We ________ student in class 8A.

How much rice............... you want? - Two kilos.

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He is always busy. He has______ time to relax

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Volunteer organisations are generally small-staffed, so they need to ____ lots of volunteers for a huge event

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She would have gone to the university if she .................. the opportunity

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Voters are beginning to _______________ notice of him as a serious candidate

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You'd better _________your coat before you go out into the cold

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_______, he can never follow me

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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