A. CAREFUL B. CARE C. CAREFULLY D. CARELESSLY

5. - File thứ 2: bkt_chung_so_1-hk2-2018lop_10-ct_moi_291201817
File thứ 2: bkt_chung_so_1-hk2-2018lop_10-ct_moi_291201817
5. A. careful B. care C. carefully D. carelessly