问题
选择题
ShenzhouⅦ was set up successfully September 25, 2008 in Jiuquan. [ ]
A. in
B. on
C. at
D. during
答案
答案：B
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ShenzhouⅦ was set up successfully September 25, 2008 in Jiuquan. [ ]
A. in
B. on
C. at
D. during
答案：B