问题
选择题
More _____ satellites must be sent up _____ space. [ ]
A. man-made; into
B. manned-made; in
C. man-made; in
D. manned-made; into
答案
答案：A
搜题请搜索小程序“爱下问搜题”
More _____ satellites must be sent up _____ space. [ ]
A. man-made; into
B. manned-made; in
C. man-made; in
D. manned-made; into
答案：A