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— I hear you have got a ticket         the concert.

— Yes, I got it         my uncle.

— I hear you have got an opportunity _________ at the children’s hospital.

— Yes, I love children and it will be a good experience for me.

A. to volunteer      B. helping        C. volunteering        D. to teach

— I hear you have got an opportunity _________ at the children’s hospital.
— Yes, I love children and it will be a good experience for me.