摘要：28．In September 2008, China’s key milestone in space travel when Zhai Zhigang conducted the first space walk. A．reached B．was reached C．has reached D．had been reached
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In September 2008,China’s key milestone in space travel _____when Zhai Zhigang
conducted the first space walk.?
A.reached B.was reached?
C.has reached D.had been reached?
查看习题详情和答案>>. In September 2008 , China’s key milestone in space travel_____when Zhai Zhigang conducted the first space walk.
|
A．reached |
B．was reached |
C．has reached |
D．had been reached |
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In September 2008,China’s key milestone in space travel _____when Zhai Zhigang conducted the first space walk.
- A.reached
- B.was reached
- C.has reached
- D.had been reached