21. The 9th ASEM Summit, held in Laos in November 2012, was aimed at developing Asia-Europe cooperation to world economic growth.
A. demonstrate B. dominate C. proceed D. promote
22. The Great Wall, one of the world’s seven wonders, its way from west to east over the mountains, across the deserts and through the valleys.
A. bends B. winds C. roars D. howls
