高中英语主语从句It is uncertain ____ side effect the medicine will bring about,although about two thousand patients have taken it.A.that B.what 不要给我说about后面缺少成分,因为它的成分在前面,是side effect,也就是the med

主语从句it is...that 中的that 请帮解一题高中英语 it is strange that she ( ) so angryA is B be 这里应该是考主语从句 ,用should + 动词原形 为什么是一定是be it is hard to believethat从句句子成分是不定式做主语还是从句做主语 主语从句 it is ,that能省略吗 It is important to learn English.是主语从句吗? it is the first time that是主语从句吗 it is no doubt.句型是主语从句吗 It is 开头如何判断定语从句或名词性从句形式主语 IT seems that he is very tired.是主语从句还是表语从句 主语从句句型 It is no wonder that...从句中是否要用虚拟语气呢? 主语从句与同位语从句的区别 It is a fact that she has done her best.是主语从句还是同位语从句 It is important that we ____wild animals .什么从句能用IT做形式主语呢 ,主语从句 ,宾语和 表语吗这个是什么从句,怎么分析出的? 名词性从句类别判断It is sure/certain that +.这种句型到底是宾语从句还是主语从句? IT IS主语从句和强调句能写成IT'S么? 主语从句和强调句式 不知道主语从句里面的it is+形容词 和强调句式里的 it is +形容词有什么区别. 那请问Is it that the gentleman is not your uncle?算是主语从句吧 It is well known that water is indispensable to lifethat引导的是定语从句还是主语从句理由 it seem+that从句是主语从句还是表语从句