Question

【题目】They tried to find out ______ the new train ________.

A. how far/ had gone B. how long/ has gone

C. how far/ went D. how far / had run

Answer 1

【答案】D

【解析】

句意：他们努力查出这辆新火车已经跑了多远了。主句动词是tried是一般过去时，从句也要用过去的某种时态，故排除B；根据句意可知，这里表示“火车运行”，所以run有运行，行驶的意思，故选D。