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What is the coach going to do ___ he knows his team so well.

are they all correct

being that
being as
seeing that
seeing as
+1

I'm not very fond of any of the choices. I would say "since."

Comments  
I would choose "seeing that",but wait and see other answers.
Students: Are you brave enough to let our tutors analyse your pronunciation?
I will need the power of attorney from Vicky, seeing that she signed on behalf of her father
 Englishmaven's reply was promoted to an answer.