Expo 2010 Shanghai, ______ theme is "Better City, Better Life," was the first World Exposition in a developing country.
A. which B. what C. where D. whose
Expo 2010 Shanghai, ______ theme is "Better City, Better Life," was the first World Exposition in a developing country.
A. which B. what C. where D. whose
D定语从句关联词。whose theme = the theme of Expo 2010。