A. LABEL B. LABELING C. LABELED D. TO LABEL

3. - MO SO BAI TAP DOC HIEU VA TRA LOI CAU HOI TIENGANH LOP 9
MO SO BAI TAP DOC HIEU VA TRA LOI CAU HOI TIENGANH LOP 9

3. A. label B. labeling C. labeled D. to label