Your advice was a great help to us, without which all our efforts <u> </u>.

Question

A. wouldn’t pay off B. hadn’t paid off C. wouldn’t have paid off D. didn’t pay off

Answer 1

答案C 考查虚拟语气。根据前面的was和句意可知本题是一个由without引导的与过去事实相反含蓄条件句，使用情态动词+have done的形式。句意：你的建议对我们很有益，要是没有你的建议，我们的努力就不会得到回报。 查看原帖>>