问题
选择题
.
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
答案
C
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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
C