WIND ENERGY IS... SAFE...UNLIMITED.A. NOT ONLY / AND B. EITHER / O...

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