accounting questions?

accounting questions?
hi i was wondering if anyone knows a website that has a collection of questions and answers for accounting issues such as cash flows, debentures, income tax, etc... ? just need to study and practicle practice always helps me but my textbook only has 1 or 2 questions and iv almost memorised them so im not really remembering the methods just the answers. so does anyone know a site that i cna go to find some questions like what would be in a textbook and there answers? thankyou