On average about £5000 a year is spent on each private school pupil,_______ the amount spent on state school pupils.
时间:2020-06-18
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So far scientists have only acquired ________ understanding of the physical processes that cause earthquakes.
时间:2020-06-18
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To a worker, ________ from the point of view of society is necessary labor is from his own point of view voluntary play.
时间:2020-06-18
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