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She has _______________ birth to two sets of twins.

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It seems entirely natural to us that there are teams of scientists in universities and (46) _____ institutions around the world, attempting to discover the way the world works. (47) _____, it hasn’t always been that way. Although the scientific method is now four or five hundred years old, the ancient Greeks, for example, believed that they could (48) _____ the cause of natural events just by the power of thought. During the 17th century, more and more people began to realize that they could test their scientific ideas by designing a relevant experiment and seeing what happened. A lot of (49) _____ was made in this way by individual scientists. These men and women often worked alone, carrying out research into many different areas of science, and they often received very little (50) _____ for their hard work. At the start of the 20th century, though, it became clear that science was becoming more complicated and more expensive. The individual scientists disappeared, to be replaced by highly qualified teams of experts. Modern science was born

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___ does your father work at that company? Because it's near our house

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American students take part __________ different activities at recess

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Mobile phones have largely taken ___________ home phones for most people in recent years

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When we were on a voluntary tour, we ____ to public places to collect rubbish every day

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He is _________his driving test today

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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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_____, she complained to the head teacher

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Yoga involves breathing exercises, stretching and ____

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_______ it was raining heavily, he went out without a raincoat

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I had a disastrous day, but lately that has been par for the ________

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The main goal of ____ planning is providing a healthier environment for people living in the city

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John asked me __________ in English

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I always look ____________ for deals when I'm shopping

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Using a globe can be ................. it is educational

Find which word does not belong in each group.

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I'll join you in a minute but I need to _____________ a phone call first

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She wishes she could do some _____ work this summer.

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It’s a tough job, and we’re relying on you to carry it .......

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Will robots be able to__________ to people in the future?