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
告诉我为什么
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
告诉我为什么
A.
主句用过去时,宾语从句里发生在主句动作之前,用过去完成时
A,试着查明新车跑了多远
到过去为止,用过去完成时,然后后面用正序,陈述句的顺序