【题目】 If you your teacher’s advice, you would not have failed the exams last week.
A. take B. were taking C. took D. had taken
在线课程【答案】D
【解析】
试题分析：考查虚拟语气。如果你要是采取你老师的建议，你就不会上周考试不及格了。根据last week可知是对过去的虚拟，if引导的条件句用过去完成时，主句用would have done，故选D项。
考点 : 考查虚拟语气