问题
选择题
He used to be a successful businessman, but drug ____ his ruin.
A．attended to
B．contributed to
C．resulted from
D．devoted to
答案
B
题目分析：考查词组：A. attended to照顾，B. contributed to导致，C. resulted from源于，D. devoted to致力于，句意：他过去是个成功的商人，但是毒品导致他的毁灭。选B。