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The matches are designed not to ...... in strong winds or when immersed in water

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Al's doctor insists______ for a few days.

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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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We often ........... to keep fit.

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My aunt puts aside some money on a monthly basis to buy a ________ house

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The United States and China have (16)_______ a deal that allows the Chinese telecommunications giant ZTE to stay in business in exchange for paying an additional $1 billion in fines and agreeing to let US regulators monitor its operations. The fine comes (17)_______ Donald Trump stepped in to save the company after US regulators barred it from doing business in the US, an effective death blow for the company. In addition to the fine, a compliance team chosen by the US will be embedded at ZTE and the Chinese company must change its board and executive team. “ZTE is essentially on (18)_______,” said Amanda DeBusk, chair of the international trade and government regulation practice at Dechert LLP and a former commerce official. “It’s unprecedented to have US agents as monitors ... It’s (19)_______ a good precedent for this situation. ZTE is a repeat offender.” The news did little to appease critics. Senator Mark Warner, vice-chairman of the Senate select committee on intelligence, said: “It is the unanimous conclusion of our nation’s intelligence community that ZTE poses a significant threat to our national security. These concerns aren’t new; back in 2012, the House permanent select committee on intelligence released a report (20)_______ the serious counterintelligence concerns associated with ZTE equipment

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________ is special clothing to wear when astronauts work outside in space

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The World Heritage Site is famous for its ____ features and cultural values

Look! The girls ______ in the schoolyard.

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The organization had broken no rules, but ____ had it acted responsibly

_______________ do you go to the theater? Sometimes.

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There are four students at each table. My friend Justine sits_____ me.

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A: "What shall we do tomorrow?"
B: "Well, if ____ a nice day, we can go to the beach."

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In some countries, a bride’s family is still required to pay a ________ to the groom’s family

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Many animals in the wild are suspicious and fearful of human beings. Many animals would take escape instantly (20)_____a human approaches. Man, however, soon discovered that some animals can be tamed or domesticated. Unlike animals in the wild, these animals would (21)_____ man to come close to them. They would even allow their owners to stroke or pet them. In the early times man would domesticate animals by setting traps to catch their young. A young animal is (22) _____ easily domesticated than an adult one. From young,the animal learns to trust and obey its owner. Many different kinds of animals have been domesticated. Some common examples are animals like horses, elephants, chickens and pigs. The dog, which is also (23)_____ as "man's best friend", is one of the first animals to have been domesticated. In England, long ago, the pig was a wild animal. It was a ferocious and aggressive (24)_____which was not easily captured. Yet nowadays, the domesticated pig is no longer the lean and tough than creature it used to be

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 _______ you _______ an English class tomorrow?

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His excuse for being disrespectful to the disabled sounded quite ____, so we did not accept it

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I miss my friends. I wish my friends______here right now

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Susan hoped ____ to Terry's party

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Cartoon films have very few limits. If you can draw something, you can (34) ________ it move on the cinema screen. The use of new ideas and advanced computer programs means that cartoons are becoming exciting again for people of all ages. By the end of the 1970s, the cinema world had decided that cartoons were only for children. But soon afterward one or two directors had some original new ideas. They proved that it was possible to make films in (35) ________ both adults and children could share the fun. (36) ________ , not every cartoon film was (37)________ . The Black Cauldron, for example, failed, mainly because it was too frightening for children and too childish for adults. Directors learnt from this (38) ________ , and the film companies began to make large amounts of money again

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No sooner ___ dinner than the ceiling crashed onto the dining table