问题
选择题
The 2010 Expo will take place in Shanghai, ________ many countries consider a good chance to introduce their cultures to the world.
A．where
B．when
C．what
D．which
答案
答案：D
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The 2010 Expo will take place in Shanghai, ________ many countries consider a good chance to introduce their cultures to the world.
A．where
B．when
C．what
D．which
答案：D