transkript: 20_ One o| the ması impressive lîrsl language developments ın the early school years is (hem“ . A) acqursmon oigrammaucaı morphemes B) asmnıshmg gmwın oimcanuwary C) acquısıtıon nf wh—words bychunks D) ıroncmg stage E) devewopmemonewegraphıcspeech