1. B) given
2. A) take. This one is a bit tricky, because if only "taked" was underlined, the correct version would be 'taken'. But if "have taked" is underlined, 'take' would work the same as 'have taken'.
He's a human. he can behave how he feels
A Thesaurus will give you many words that also mean the same thing to change it up.
When I revise, I go through my paper and highlight all the mistakes that I can, using a different color for each kind. Then after I have done that, I just go through and fix them. It helps the revision go quicker and be more manageable.