we can't imagine what great difficulty they have ____ the problem_英语解答

we can't imagine what great difficulty they have ____ the problems in the plan.
A to settle B settling C settled D to be settled
为什么怎样翻译
那么the problems in the plan 是什么成分，是谁的宾语

人气：256 ℃　时间：2019-10-11 17:36:08

解答

C settledwe can't imagine what great difficulty they have __settled__ the problems in the plan.我们简直不能相象他们为完成计划克服了多大的困难.后面what great difficulty they have __settled__ 是一个感叹...