2020高考专题复习：主语从句-巩固提升练习(共11页).docx

精选优质文档-倾情为你奉上备战2019高考英语专题-主语从句-巩固提升练习（含解析）一、单选题1.After the UN Security Council imposed most serious sanctions on Pyongyang, is needed now is for all parties to show wisdom and patience. A.whichB.whatC.thatD.who2.is even more important is the earth cooled down, water began to appear on its surface. A.When; that; whenB