早就做好了。用英语怎么说 ? 

早就做好了。的英语翻译是:

I did it already.

句子单词讲解

1. did
单词释义: v.做( do的过去式);干;学习;研究
相关短语:
你做得对。
You did right.
你干得相当不错1
You did fairly well!
为什么呆在家里?
Why did you stay at home?

2. it
单词释义: pron.它;他;正好是所需的;事实[情况]n.<美俚>傻瓜,笨蛋;<俚>绝妙的人;理想的东西;登峰造极
应用场景: CET4|TEM4|考 研|CET6
相关短语:
坚持下去!
Keep it up!
这是你的吗?
Is it yours?
别紧张。
Take it easy.

3. already
单词释义: adv.早已,已经;先前
应用场景: CET4|TEM4|考 研|CET6
相关短语:
快点,我们已经开早饭了。
Hurry up.We're already begun our breakfast.
但是我已经尽力了。
But I already tried my best.
已经晚了。
It's already late.