题目内容
We see many special education directors trying to _____________ the quality of their programs with much less money and much smaller staff.
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My advice to Mr. Stewart is to think carefully before entering into a career in medicine, as this is a field which requires a lot of __________ and long working hours.
It’s legally possible for an elderly person to ___________ someone to act for them, should they become incapable of looing after themselves.
Darwin’s thinking both drew upon and __________ the conventional ideas of his time.
People there are told it is their ________ duty to support the national economy by buying their own products.
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