.China will send its first Mars Rover, Yinghuo-1, into space by Russian space rocket in O

发布时间：2020-08-16 09:29:34

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China will send its first Mars Rover, Yinghuo-1, into      space by     Russian space rocket in October 2009.

A. 不填；the
B. the; a
C. 不填； a
D. the; the

网友回答

A. 不填；the
B. the; a
(答案→)C. 不填； a
D. the; the
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