Question

【题目】The young couple _______ as volunteer teachers for a whole year during their stay in Yunnan.

A. have worked B. had worked

C. worked D. have been working

Answer 1

【答案】C

【解析】

考查时态。句意：在云南期间，这对年轻的夫妻做了一整年的志愿者。根据句意可知他们是在云南期间做志愿者的，使用一般过去时描述过去发生的事情，并没有延续到现在，也没有表现出对现在的影响，故C项正确。