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9、Zhai Zhigang,one of the three astronauts on board Shenzhou一Ⅶ,     out of the capsule and conducted the historic space walk.

A.stepping    B.to step    C.stepped   D.having stepping

9、C

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Zhai Zhigang,one of the three astronauts on board Shenzhou一Ⅶ,     out of the capsule and conducted the historic space walk.

A.stepping    B.to step    C.stepped   D.having stepping

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