问题
选择题
China has been preparing to send some space laboratories into ____ space for its plane to build ____ space
station in 2020. [ ]
A. the; a
B. /; the
C. /; a
D. the; the
答案
答案：C
搜题请搜索小程序“爱下问搜题”
China has been preparing to send some space laboratories into ____ space for its plane to build ____ space
station in 2020. [ ]
A. the; a
B. /; the
C. /; a
D. the; the
答案：C