题目内容
---When will the Shanghai World Expo be open?
---____________
A.On May 1st B.On September 10th C.On October 1st D.On January 1st
A

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题目内容
---When will the Shanghai World Expo be open?
---____________
A.On May 1st B.On September 10th C.On October 1st D.On January 1st
A