internet pay in Washington

Hello,
First of all, thank you for all the information provided in this forum!

I live in Washington state and last month, due to a medical emergency I have taken out 5 pay day loans over the internet (all of them are not licensed in WA state):
Plain Green – $1600, which I have paid $140
Great Plains – $1000, which I have paid $138
Mobiloans – $600, no payments made, yet
Blue Thread Lending - $400, no payments made, yet
RiverBendCash - $500, no payments made, yet

I am willing to pay the principle amount of all these loans, however, I’m trying to see if it’s possible to set reasonable terms for the repayment (monthly instead bi-weekly).
I’m planning to close my bank account next week, revoke the ACH authorizations and send letters to all these lenders.
I have a few questions and any help would be really appreciated.
1. Can my bank (Bank of America) deny my request to close the account?
2. What do I need to tell them to make sure the account will not be automatically re-open?
3. When should I close my account (my payments are going to be taken out on June 14th)?
4. What should I tell to my employer?

Thank you!
PS: I tried to register to the forum but I haven't got the activation email.