A. COMPULSORY B. OPTIONAL C. NECESSARY D....

25. - DE KIEM TRA 1 TIET HK1 LAN 2 CO DAP AN
DE KIEM TRA 1 TIET HK1 LAN 2 CO DAP AN
25. A. compulsory B. optional C. necessary D. available 26 A. All are correct. B. academic C. full D. curriculum27 A. into B. to C. in D. about