I thought as much (= that’s what I expected). 果然不出我所料。《牛津习语词典》

as much“正如此；这样；同样”是惯用短语，常用作状语。又如：

I am sure she would do as much for me. 我肯定她对我会这样做的。《新牛津美语大词典》

You have always helped me and I will always do as much for you.你总是帮我，我也要照样帮助你。《英语惯用短语词典》