China’s success in manned-space-craft travel shows out country has become one of the grea

发布时间：2020-08-16 12:23:58


China’s success in manned-space-craft travel shows      out country has bee one of the greatest powers in space research.
A. what
B. which
C. 不填
D. it that

网友回答

A. what
B. which
(答案→)C. 不填
D. it that
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