问题
选择题
The World Expo (世博会) __________ in Shanghai now. [ ]
A. being had
B. is having
C. is holding
D. is being held
答案
答案：D
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The World Expo (世博会) __________ in Shanghai now. [ ]
A. being had
B. is having
C. is holding
D. is being held
答案：D