"Isn't there a rule of thumb that teachers are supposed to speak something like a ratio of 20:80? Don't we call this the 80/20 Rule?" From someplace, somewhere, somehow - thatnumber is hardwired into my brain."Who is responsible for that?", I wonder. Jeremy Harmer?Scott Thornbury? Penny Ur? Lindsay Clandfield? Hugh Dellar? Jim Scrivener? Shelly Terrell? Marisa Constantinides?My CELTA teacher (what was her name?) (I remember: Lise Bell, what a great...