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on the case
/ɒnðə kˈeɪs/
/ɑːnðə kˈeɪs/
напр
1. Officers on the case are unable to find a motive.
2. We have two agents on the case.
3. Management is on the case now, and it looks as if things will return to normal soon.
4. Holmes then began at once to work on the case.
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