题目内容
( ) 2. China is going to a manned space station around 2020 to explore more space.
A. set up B. put up
C. wake up D. turn up
A
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题目内容
( ) 2. China is going to a manned space station around 2020 to explore more space.
A. set up B. put up
C. wake up D. turn up
A