_________, A TEACHER MAY POINT TO STUDENT SO AS TO GET HIS OR HER ATTENTION

15. - DE THI TUYEN TIENG ANH 12 NHE
DE THI TUYEN TIENG ANH 12 NHE

15. _________, a teacher may point to student so as to get his or her attention.

A. Forgive B. Forever C. For instance D. For the sack of