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Once ....... as the World Natural Heritage by UNESCO, Phong Nha – Ke  Bang National Park attracts a great number of visitors worldwide

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Prices are based _______ two people sharing a room

He hates fish. He _____ eats fish.

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The earth ……………………. the sun

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Would you like to invite your ______________ to the New Year’s party?

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 I greatly regret ____ those boots when they were so cheap

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Due to an ------- in need for organic foods, distributors are racing to make contracts with local organic farmers.

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To better understand the effects of crying in humans, it is also important to consider the animal counterparts to human crying (in the domain of communication), as well as other animal behaviors that might serve stress-reducing functions. In all mammals and most birds, offspring react with (25)_____ calls or distress calls to being removed from the parents. There can be little doubt that this is the phylogenetic basis of the acoustical crying of human infants. This very basic form of crying is meant to undo the separation from the parents and it is not likely to have any direct soothing function. Rather, this behavior seems to be associated with a state of increased arousal and result in soothing because of the comfort and support it elicited, that is, because it has (26)_____ its inter-individual function. In animals, distress calls are mainly (27)_____ by young offspring, and they are never accompanied by the production of tears. (28)_____ , candidates for the mechanisms that might contribute to reduction of distress in non-human animals (and in humans as well) can be found in displacement behaviors and stereotypes, (29)_____ are proposed to serve communicative functions as well

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Would you please pick _______ that book from off the floor?

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 When vegetation is removed or burnt, the stored carbon is released back into the atmosphere as CO2, contributing to global warming

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English teaching is considered a good example of a volunteer job which often turns ____ a career

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Our store is closed this week ------- the security system is enhanced

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Richard Nixon had been a lawyer and ....... before he entered politics.

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I have to take care _______________ my little sister this afternoon

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Professional people expect ............... when it is necessary to cancel an appointment

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

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The recently retired ballplayer _______ his locker and sadly left the stadium

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Some countries are still lagging behind the rest of the world in the vaccine race _______ a large number of resources diverted to advertising campaigns

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"Anyone who stops learning is old, ____. Anyone who keeps learning stays young." _ Henry Ford

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............... photosynthesis were to stop, life would disappear from the planet Earth relatively quickly

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Two people are discussing the secrets of having a long and healthy life. 
      Male: “Have you heard about any secrets to having a long life?" – Female: “____"