She's aiming ________ a scholarship. That is why she has been focusing her mind ________ her work.
| A．at; on | B．to; on | C．for; in | D．at; into |
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She's aiming ________ a scholarship. That is why she has been focusing her mind ________ her work.
| A．at; on | B．to; on | C．for; in | D．at; into |
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