With _______ successful launch of Tiango
问题:
With _______ successful launch of Tiangong-1, which was _______ breakthrough in this
field, China's space dream took a step closer to reality.[ ]
A. the; a
B. a; /
C. a; the
D. the; /,
With _______ successful launch of Tiangong-1, which was _______ breakthrough in this
field, China's space dream took a step closer to reality.[ ]
A. the; a
B. a; /
C. a; the
D. the; /,