两枚导弹飞向美国航母

it 作形式主语和形式宾语的句型及其句型,解释得好还可以增加赏金. 我问的是句子分析,it is 是形式主语吗?想知道句子结构it is widely believed there are several positive aspects as follows 关于it 做形式主语句子的几个问题（1）为什么有的时候是It be adj.for sb.to do sth.有时候却用It be adj.of sb.to do sth.差别在哪里?比如：It is very difficult for me to do it.和 It was very kind of him to pay the bill. 用it做形式主语 帮我改一个句子 在线等He spent 4 hours in doing hie homework yesterday. it one that 作为代词的用法有什么区别呢 it,that,one作代词的区别fvfffffffff 作为代词,that,one与it有何区别 one 和that代词用法区别?one 泛指某类中的一个,that 是同类中的特指.The CDs are on sale!Buy one and you get _one_ completely free.用one,那“某类”是指CD吗?The cost of renting a house in central Xi'an is higher than _that_ i none与no one的用法与区别?急用! 请问A与ONE用法上的不同?多谢! one和a的用法区别 a one the用法有什么不同吗 no one和none用法区别 .. 老师问您一个关于it和one的用法我们老师跟我们讲在同一组句子中前面出现某个物体,后面要用it和one来代替,it代表同一种类的同一个体,one代表同一种类的不同个体,那么He is in a yellow T-shirt and it ,one ,that 的用法及区别?总是分不清楚! it,one,that,ones作代词的区别和使用并举例 代词it,they与替代词one,ones,the one,the ones,that,those的用法区别 代词it和that的用法 做代词时that this it one的区别 THIS、THAT和IT的指代用法有什么区别? 谁能告诉我that,this,it的用法在用代词的时候,往往会碰到让你选that,this还是it.对于这三个词到底选哪个,我拿捏的不是非常好, that ,this ,it 的用法----He got his first book published.It turned out to be a best seller.----When was ___?----_____was in 2000 when he was still in college.A.that;This B.this ;It C.it; This D.that;It第一个空为什么填that,第二个空为 these,this,that,those,it,they等的用法和区别 one it that this的区别 it that one,在英语中代指区别 区别one,it,that,this作代词的时候意义和用法有什么不同? it /that/one的区别 it,one,that,ones的区别如题 it that this one的区别I bought a dictionary three years ago and i am still using--- nowA:it B:that C:one D:this为什么不能用that啊、that不是也表示特指么、 a/an 或one天空的____day i received____postcard from harry.he invited me to go on______excursion.As he was sitting out that afternoon,there was only_____thing to do.I had to send _____fax.I went to my dest and picked up____form.I wrote_____fax of The baby didn't cry any more as soon as he saw his mother.同义句The baby _______ ________as soon as he saw his mother. 英语中所有语法的用法.