Anyone who has taken the tests recently have a link for sample tests?

They got me this time, I have to take all the written tests I'm classed & endorsed for to renew. Rules of the Road/ General Knowledge, Air Brake, Tanker, D's & T's, HazMat and Motorcycle.
I've had no accidents and no tickets but I was selected to take all!
Bummer. I have to dust off my brain and start book studying.

Links to up to date sample tests would be appreciated!