To find out how much you have wagered towards a bonus, provided the promotion required an Opt-In via the Offers/Available page you will be able to keep track of the progress of any wagering in the Offers/Active section under that particular promotion. Please check under Promotion Status where it says "To release Bonus Funds, wager:"
You can also find this information yourself by adding up the individual gameplay sessions from your transaction history.
You can ask us anytime if you are still unsure, we are here 24 hours a day 7 days a week. Through Live Chat, email email@example.com and you can now request a Call Back (In English Only) on the Contact Us page.