Question

英语改错 高中？

I come to understand that was not easy to earn money英语改错，有哪位大神可以告诉that后面为什么要加it....蟹蟹🌝🌝

Answer 1

understand 是动词，其后that引导宾语从句。
it is +形容词to do 句型中it为形式主语，真正的主语为其后的不定式短语
即赚钱不是容易的事