THE TEACHER DIVIDED THE CLASS ... TWO GROUPS. A. IN B. OFF C. TO D...

6. - KIEM TRA ANH 9 SO 1 KY I TRAC NGHIEM
KIEM TRA ANH 9 SO 1 KY I TRAC NGHIEM

6. The teacher divided the class ... two groups.

A. in B. off C. to D. into