____was the first and foremost of the nine principles of good language teaching and learning by Harold Palmer.
A.Provision of situations B.Exclusion of L1 C.Habit formation D.Acquisition of L1正确答案C
____was the first and foremost of the nine principles of good language teaching and learning by Harold Palmer.
A.Provision of situations B.Exclusion of L1 C.Habit formation D.Acquisition of L1正确答案C
