it和that的用法区别这个句子I’d appreciate IT if you would like to teach me how to use the computer.it可以用that替换么?这两个词用法有什么区别呢?为什么呢？什么情况不能换呢？

it和that的用法区别这个句子I’d appreciate IT if you would like to teach me how to use the computer.it可以用that替换么?这两个词用法有什么区别呢?为什么呢？什么情况不能换呢？ I found _______ very difficult to understand people who speak fast.A.that B.this C.one D.it我觉得选D,但是我又不知道如何在句子中区别it和that的用法 it,one,that作代词时候的用法和区别, THIS、THAT和IT的指代用法有什么区别? THIS,THAT和IT的指代用法有什么区别 which和that以及it的用法有什么区别? 请问It和that的区别用法最好有举例 It was because I could speak English that I got the job我想问一下这个句子各部分的结构(成分)分别是什么?这个句子的用法是it作形式主语?还是其他什么用法, IT THAT 在句子中用法 和用法区分 I enjoyed my holiday,It was ____relaxingA:soB:suchC:such a D:so that 选哪个 为什么?有谁能告诉我一下 ,such so 的用法 和区别吗,谢谢了, I think it good to do exercise.和 I think that it is good to do exercise.区别是?I think it good to do exercise.和 I think that it is good to do exercise.区别是什么?另外,后者这个句子由that引导宾语从句,引导词that应该是可 It was what he said that disappointed me请讲解一下这个句子中的what 和that分别是什么用法 that与it用法区别 it ,that 的区别I'm not sure if I'll type my paper myself; I have more important things to do than that.这个句子中为什么不能用 it 代替that I felt it crucial that my father sell his bananas,not give them away.这句话里前半句I felt it crucial that 中 it 后面为什么不加 is,这是什么句型和用法,能再举些相似的句子吗? 问一下动名词和不定式在这个用法里的区别It was murder typing this passage.It was murder to type this passage.在这两个句子里面动名词和不定式的用法有什么区别? remember用法I do not remember it ever being so hot.这个句子用的remmember it doing?有这种用法?即使that可以省，is又怎么可以省？为什么“可以不用is”？ 这个句子中for 的用法I'm going to give you some medicine for that.