问题
选择题
--- How I regret making the stupid mistake!
--- Yes. I your doing it another way at that time, but in vain.
A．have suggested
B．suggested
C．would suggest
D．had suggested
答案
答案：B
题目分析:考查动词时态。从语境判断说话人已经犯了错误，所以对方给他建议也应该是过去的动作，此外at that time也是表示一般过去时的时间状语。所以正确答案为B。句意：---我是多么后悔犯了这样愚蠢的错误啊！----是的，我那时候建议过你要用另一种方法去做， 但是白费劲了。