问题
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In recent years much more emphasis has been ?
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In the past few years, traffic problems (become) ________ more and more serious.
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According to the passage, the more recent and old views of bilingualism differ mainly in _
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Recently more people gain access to the Internet, and they find it becomes more difficult
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In recent years more and more foreigners are involved in the teaching programs of the Uni
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In recent years many countries have been faced with the problem of how to make their workers more pr