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| усиленно работать над своим докладом (at the thing, at one's dictionary, at one's work, etc., и т.д.); изо всех сил работать над своим докладом (at the thing, at one's dictionary, at one's work, etc., и т.д.) | |||
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| усиленно работать над своим докладом (at the thing, at one's dictionary, at one's work, etc., и т.д.); изо всех сил работать над своим докладом (at the thing, at one's dictionary, at one's work, etc., и т.д.) | |||