How to recover when Google doesn't accept my answers??

Hello,

I received an email to my husbands Yahoo address (I used his email address as a recovery address) stating that there has been suspicious activity on my Google account.
Without any warning my account was suspended.

I have filled in the recovery form multiple times but somehow on the last page it says the information does not match that for my account.
Obviously they ask these random questions like when did you open your account (month and year) where I had to guess. My recently emailed contacts I am sure I got right as well as the names of some of the Files I have.
But somehow they are not letting me through???
My email address is ***@***

PLEASE HELP!