Ideas: EFL Classroom 2.0 EFL Classroom 2.0 , our sister site, has posted a nice series of articles called: Featured Resources. You’ll find lots of great resources with ideas on using them. Instant downloads. Ideas: EFL Classroom 2.0, 5.0 out of 5 based on 1 rating Author: adminA valued Teaching Recipes staff member. Here to help teachers with their cooking.