问题
选择题
“If I ________ taking drugs, I would be a successful businessman now,” said the dying drug addict.
A.didn’t start
B.haven’t started
C.hadn’t started
D.shouldn’t start
答案
答案:C
考查含有if条件状语从句的虚拟语气。If引导的从句指过去的情况,主句指现在的情况,是混合虚拟。If从句指过去,要用过去完成时态。所以选C。