Much time is spent_______the contest.A in succeeding on B to succeed on C succeeding on D succeeding in
问题描述：
Much time is spent_______the contest.
A in succeeding on B to succeed on C succeeding on D succeeding in
答
D
succeed in doing something 成功做某事
spend time （on） doing something 花费时间做某事
答
D succeeding in
spend time doing
succeed in
答
B
好像有很多陷阱
回答这种被动句先还原句子
改成I spent much time ____the contest.
句意应该是我花了很多时间来赢得比赛.
这里赢得表示的是目的而不是时间花在的地方
完整来说是I spent much time on preparing（时间花的地方） to succeed（目的） on the contest.
再改回被动就行了
希望明白了!