transkript: 19. Which o| (he [olluwıng teacher behavıor may have negative impacts on me efiectıveness ov paır or groupwork" A) B) C) D) E) Exprammg what m do and how ta da before the task Gemng ınvolved in one 0! the groups and demg me (ask together Organısmg 3 demo sessıon ıcıne students mınds are nmcwear Mammrmg aH aHhe groups as the acımty ws goıng on Conductmg ; feedback sessmn after me task ıs completed