it is much easier to improvise a song than it is to improvise a symphony.后一个的it is可以省略吗?

翻译It is much easier to talk about social change than to bring it about谢谢 (In my opinion,life in the twenty-first century is much easier than it used to ______ English is much easier than speaking it.A.Reading B.To read 语法分析下面句子It is much easier to improvise a song than it is to improvise a symphony.句子中的“it is”能不能省略 it is much easier to improvise a song than it is to improvise a symphony.后一个的it is可以省略吗? it和that指代的区别the population of china is much larger than of japan 换成It哪里错life is much easier than used to be 换成that 哪里错life is much easier than (it) was in the 20 centry换成that 哪里错ife is much easier than (that) it is much easier for people to prepare meal than has ever been before.这句话里面than It is easier to get money than to keep it 英语翻译It's much easier to say what you're supposed to do than it is to actually do it?这句话啥意思? the population of china is much larger than of japanlife is much easier than used to be为什么第二句中用it?可以替换成that么?life is much easier than (it) was in the 20 centrylife is much easier than (that) in the 20 centry为什么多 Is it easier to remember or to forget for those who don't smoke,it is much easier not to start smoking than it is to quit it.中的it is省to quit it前的it life in the twenty-first century is much easier than it used to be.中的it used to be 是做什么成分不太懂这些东西 life in the twenty-first century is much easier than ________.life is much easier than (it) was in the 20 centry求两个句子具体分析和对比life in the twenty-first century is much easier than it used to be it is easier to fall than rise的意思 it is easier for the land to become a life is more easier than it used to be 托福作文 3个观点Nowadays,it is much easier to achieve success with help from one's family than what is like before.