问题
选择题
Mr Green showed his students some photos _____ at World Expo 2010 Shanghai. [ ]
A. being taken
B. taken
C. to be taken
D. having taken
答案
答案:B
Mr Green showed his students some photos _____ at World Expo 2010 Shanghai. [ ]
A. being taken
B. taken
C. to be taken
D. having taken
答案:B