QUESTIONS 76 - 80. MARK THE LETTER A, B, C, OR D TO INDICATE THE BEST...

26. - 2 DE THI THU DAI HOC CAO DANG NAM HOC 20092010 MONTHI TIENG ANH VA DAP AN
Tiếng Anh 2 DE THI THU DAI HOC CAO DANG NAM HOC 20092010 MONTHI TIENG ANH VA DAP AN
26. How is the air in many of the world’s cities?A. It is very pure B. there is so much smoke in itC. it is healthy to breathe it D. none are correct