Question

As        volunteer teacher in the rural area，she has opened up        students' eyes to the outside world.

A．the； the

B．a； a

C．a； the

D．the； a

Answer 1

C

第一次提到某人或某物时用不定冠词a/an，而本题后接的单词为辅音音标开头，故第一空用a，第二空是特指，用定冠词the，故选C