求解释句子里后面那个it is 的作用,能理解,For those who don't smoke,it is much easier not to start smoking than it is to quit it.(是不是than后接quiting it 也可以?）

求解释句子里后面那个it is 的作用,能理解,For those who don't smoke,it is much easier not to start smoking than it is to quit it.(是不是than后接quiting it 也可以?） 句子大意是这样的,.我爱你.it is and it is to be 后面的英文怎么解释更恰当 求解释这个句子里的when啥用法I wanna know when is the flight为什么不是when the flight is?而且when后面不是也有when we first met这样的陈述语序么 英语翻译后面没有个it is that ...的句子 请教这两句英语里的两个单词怎么解释1、The project is gaining ground -- and it is the ground itself that is involved.后面从句中的那个ground解作什么2、There is a general discussion these days over education in many college It rained hard yesterday,it prevented me from going to the park. 后面那个it能这样用吗?It rained hard yesterday,it prevented me from going to the park. 后面那个it能用在这个句子里代替前句所说过的请款吗? which season is it now?后面的句子是用一般现在是还是现在进行时详细解释就加分 There is ___ homework today that i am afraid i can`t finish it on time.A so much B too much 老师给答案是B,解释说与后面那个句子（that i am afraid i can`t……） 有关系的,听不大懂, 为什么这句里的be动词用原型?句子是这样的：whether it necessary that it (be) as bad as it is.(这种糟糕是否有必要呢?)句子里的那个be为什么是原型呢! 那个.一个句子里有did了后面的动词还变化吗 I want to find a room to live (in),后面那个in介词啊要加的?另外,像It is difficule for me to do it.这类句子的最后一个词是否要加,我弄不清. I think it diffcult to learn English well.为什么it后面不is?it在这里的作用是什么? 麻烦英语高手们解释下这个英语句子,顺便分析它的结构：There is no work whatever but he can criticize.尽量说清楚点,特别是whatever后面那部分，怎么让人感觉怪怪的？尤其是那个but。 这句定语从句!求帮忙!最近在看雅虎answer里的提问回答.有一个句子是the only thing you can do is talk to her about it,请问is 后面应该加to吧? 还有一个是 the only thing you can do is be honest with him. 总觉得这 如何将一句句子里的一个单词大写比如this is a program 改成 this is A program..最好每句句子后面都给详细解释啊 我C++不好啊 挂了~ 如何将一句句子里的一个单词大写比如this is a program 改成 this is A program..最好每句句子后面都给详细解释啊 我C++不好啊 挂了~ 求一个英语句子的语法解释!Not that people think that love is not important.这个句子里第一个that怎么理解?还有那个not是怎么回事?如果改成no people 就变成了「没有人认为爱情不重要 」但感觉这里想要 求助英语句子结构问题“It is convenient as,A should be……”.as逗号后面是一句子,这个句子是否合乎语法,怎么正确地理解as意思和作用,逗号后面的句子就是一个简单句，用来描述A的。这是在看论