Astronomers________morebadnewsfortheformerplanetPlutorecently.A.hadannou

发布时间：2020-08-04 20:53:19

Astronomers ________ more bad news for the former planet Pluto recently.A.had announcedB.have announcedC.were announcedD.are announced

网友回答

B解析句意：最近，天文学家宣布了越来越多的有关冥王星的坏消息。题干中的recently暗示本题应该用现在完成时。
以上问题属网友观点，不代表本站立场，仅供参考！