Something else I’ve greatly enjoyed is working as _____ peer mediator, someone who helps _____ students to settle problems that they have with other students.
A.the; the
B./; /
C.a; the
D.a ; /
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D解析考查冠词。a peer mediator 一个同龄调解者 这里是泛指，意为：我所喜欢的任何其他东西都可作为一个同伴调解者。第二格：help sb. to do故不需冠词。