WIND ENERGY IS... SAFE...UNLIMITED. A. NEITHER / NOR B. NOT...

11. - DE KIEM TRA HK 2 11 4 MA DE DAP AN
Tiếng Anh DE KIEM TRA HK 2 11 4 MA DE DAP AN
11. Wind energy is... safe...unlimited. A. neither / nor B. not only / and C. not only / but also D. either / or