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The shenzhou Ⅶ safely in China's northern grassland flying in space for about 68 hours. A. before B. after C. and D. so 【查看更多】

 

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The Shenzhou Ⅶ safely landed in China's northern grassland _____ flying in space for about 68 hours.

[     ]

A. before
B. after
C. and
D. so

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