我这里几乎完成了。

I've ___pretty ___much finished here.

她对这个主题几乎无所不知。

She knows ___pretty ___well everything there is to know on the subject.

你几乎可以向你母亲倾诉任何问题，她会尽力帮你解决。

You can ___pretty ___much tell your mother any problem you have and she'll try her best to help you out.