问题补充:
If he my advice, he wouldn have lost his job.
A. followed
B. should follow
C. had followed
D. would follow
答案:
A. followed
B. should follow
(答案→)C. had followed
D. would follow
解析:主句从句均为对过去的事情虚拟,从句为过去完成时,主句为should/would/could/might have done. 句意:如果他听取了我的建议,他就不会失去他的工作。对现在的事情虚拟,从句用一般过去时,而主句为should/would/could/might+do;对将来的事情虚拟,从句为一般过去时或者should do或者were to,而主句为should/would/could/might+do.