【题目】Take the medicine right away! ______ it yesterday, you would be quite all right now.
A. Had you taken B. Would you take
C. Should you take D. Were you to take
在线课程【答案】A
【解析】考查虚拟语气。句意：赶快吃下这个药。如果你昨天吃了这个药，你今天早就好了。本题是虚拟语气，题干中省略if，半倒装，根据yesterday判定与过去事实相反，从句要用过去完成时。故选A。