高中英语:There is no good (或use等) doing和It is no good (或use等) doing的区别
推荐回答（4个）
____ is no good trying to solve the issue between the nations by means of war.
填It.It作形式主语.
表语是（of）no use，not any use，not the slightest use，no good， not much good，fun等时，常用动名词（不用不定式）做主语并后置，用 it 做形式主语.
例如: It’s no use crying over spilt milk.
动名词可在 there be 句型中做主语（不能用不定式），常见形式为 “there is no + 动名词”或 “there is no / any + 名词 + 动名词”.
例如:
There isn’t any use trying again.
句型是：There is + no + noun + (in) doing something.
It
It作形式主语 指代trying to solve the issue between the nations by means of war
句子主语太长的时候通常用it作形主 应保持句子的平衡（我老师的话） 其实就是习惯或者叫做固定的
如果选There的话 there就是主语了 到good的时候句子就完整了 所以是错的
选择It
在这里It作形式主语语指代by means of war 。
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