c1 lesson 8b.gwb - 1/5 - mon sep 19 2011 12:30:11...separated by an addition or subtraction sign...
TRANSCRIPT
C1 lesson 8B.gwb - 1/5 - Mon Sep 19 2011 12:30:11
C1 lesson 8B.gwb - 2/5 - Mon Sep 16 2013 12:54:06
C1 lesson 8B.gwb - 3/5 - Mon Sep 19 2011 12:27:26
C1 lesson 8B.gwb - 4/5 - Mon Sep 16 2013 12:38:32
C1 lesson 8B.gwb - 5/5 - Mon Sep 19 2011 14:39:42