Vpnbook can be an option too (but is a bit slow).

Free VPN • 100% Free PPTP and OpenVPN Service

And about free SR i tested saying something different (trick or treat), thinking if i say PeroPero maybe they guess that i'm a bot.

P.S: If you learn to use tor, Facebook has an onion link.

https://facebookcorewwwi.onion/

P.S: Facebook is known as a big NSA collector, i understand why chinese want to lock it.