See above.1) He is doing it [STRIKE]at its[/STRIKE] (in) the best possible way.
2) He is doing [STRIKE]it at[/STRIKE] his best.
3) This is [STRIKE]the[/STRIKE] comedy at its best.
Please check my sentences.
See above.
We do use "it" for animals and babies.
I have a dog. It is 8 months old.
Patricia is pregnant. Is it a boy or a girl?
That's incorrect.Okay, so we cannot use "it" for living things.
I was asking for "at its best".
Patricia is pregnant. Is it a boy or a girl?
No, you got it wrong. I wasn't asking for "it". I was asking for "at its best". Sorry I confused you.