The two men discussed and came to conclusion that the helicopter would take place of the car some day.
A. /; /
B. a; the
C. a; /
D. /; the
网友回答
A. /; /
(答案→)B. a; the
C. a; /
D. /; the
解析：
试题分析:考查冠词用法。固定短语e to a conclusion“得出结论”；take the place of “取代，代替”，所以答案选B。句意：这两个人在一起讨论并且得出一个结论，那就是有一天直升飞机会取代汽车。