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
考查时态。句意“世博会现在正在上海被举行。”根据now可知，应该用现在进行时，The World Expo和hold之间是被动关系，应该用被动语态。故选D。
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