It's amazing how much this helped.如题.

It's amazing how much this helped.如题.
It's amazing how much this helped.
如题.

It's amazing how much this helped.如题.
注意此句中help vt.& vi.帮助；有助于,有利于.
所以你看到help后面没有成分,不要惊奇.help此处为不及物动词.是“有用”的意思.
It是形式主语,代替后面的从句.
可转化成How much this helped is amazing.
This应该是指代前面的具体内容的.
字面翻译过来 它的帮助真是令人吃惊.

帮助很大

恐怕招待不周