... _______ are destroyed. 31. A. country B. planet C. society D. life 32. A. oxygen B. dioxide C. carbon D. ozone 33. A. poor B. developing C. European D. rich 34. a. risk B. danger C. accidents D. ... again. He is said to be immune to that disease. This means that his body has developed a way of fighting the germs. However, people do not seem to become immune from colds. This fact puzzled the s...
Ngày tải lên: 29/11/2013, 15:11