On June 29,2012,China’s Shenzhou-9 spacecraft landed________at the main landing area in northern China’s Inner Mongolia(内蒙古).
A.safe
B.safely
C.safety
On June 29,2012,China’s Shenzhou-9 spacecraft landed________at the main landing area in northern China’s Inner Mongolia(内蒙古).
A.safe
B.safely
C.safety