问题
选择题
Shanghai World Expo (世博会) will open _____ a _____ time. [ ]
A. in; year's
B. after; years
C. in; years'
D. after; years'
答案
答案：A
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Shanghai World Expo (世博会) will open _____ a _____ time. [ ]
A. in; year's
B. after; years
C. in; years'
D. after; years'
答案：A