关于主语从句It is...that...有个句子：It is the season ____ the place is full of flowers.A.where B.when C.wherever D.that我觉得应该选 D.that可是参考答案是 B.when有没有人帮我解答一下到底选哪个正确呀,理由详

主语从句it is...that 中的that 主语从句 it is ,that能省略吗 it is the first time that是主语从句吗 请问 关于表语从句和主语从句的一个问题 谢谢看语法书上讲主语从句和表语从句,有一点不明白. 第一句：It seemed that Tom is not coming to the party.书上说,这是主语从句,it是形式主语. 第二句：It s 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? it seem+that从句是主语从句还是表语从句 主语从句中 that表什么 如 It is certain that he will win the match. 那请问Is it that the gentleman is not your uncle?算是主语从句吧 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 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 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? it做形式主语that引导真正主语那么that从句属于主语从句吗 关于主语从句和表语从句的一个问题 急好几本语法书上都说：It seemed that he is not coming to the party.是主语从句,it是形式主语.It seemed as if he couldn't think of the right word.是表语从句.可是我觉得这两 关于高中英语语法----虚拟的几个疑惑虚拟语气在主语从句中的应用常用在It is (was)+形容词 / 过去分词+that引导的主语从句”的句型中的主语从句要用虚拟语气.主语从句的谓语用should+动词原 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 主语从句 真正的主语是哪个 It is certain that he will wi主语从句 真正的主语是哪个 It is certain that he will win the match 怎样判断判断主语从句和强调句.都是it is...that...