问题
选择题
Space-ship ShenZhou ⅥI succeeded in returning, _____ made China a third superpower in space travel.
[ ]
A. that
B. who
C. which
D. when
答案
答案：C
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Space-ship ShenZhou ⅥI succeeded in returning, _____ made China a third superpower in space travel.
[ ]
A. that
B. who
C. which
D. when
答案：C