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】A
【解析】句意：他们试图弄清楚这列新的火车已经跑了多远。how far多远；how long多久，故排除B；主句用tried是过去时,宾语从句里发生在主句动作之前,用过去完成时had gone，故排除C。从句要保持陈述语序故D错误。因此答案选A。