标题: 求助：XDF小蓝111题 [打印本页] 作者: yangshuyun 时间: 2011-5-9 22:48 标题: 求助：XDF小蓝111题 The guiding principles of the tax plan released by the Treasury Department could have even a greater significance for the economy than the particulars of the plan. A even a greater significance for the economy than B a significance that is even greater for the economy than C even greater significance for the economy than have D even greater significance for the economy than do E a significance even greater for the economy than have 答案D ,但我想问助动词补出难道不应该补COULD吗？？谢谢了作者: yangshuyun 时间: 2011-5-9 22:50 标题: 补充： 这个地方地方是与过去事实相反的虚拟语气，补DID可以吗？？帮忙啦~