Encouraged by my science teacher, I set about my studies on developing my product, I hope I will succeed in applying for a patent(专利权).
| A．with whom | B．to whom |
| C．through which | D．for which |
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Encouraged by my science teacher, I set about my studies on developing my product, I hope I will succeed in applying for a patent(专利权).
| A．with whom | B．to whom |
| C．through which | D．for which |
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