【C1】
A. at
B. in
C. on
D. with
【C9】
A. manifested
B. approved
C. shown
D. speculated
The national parks are very important for preserving many animals, who would ______run the
A. instead
B. nevertheless
C. therefore
D. otherwise
【C2】
A. alive
B. vivid
C. mobile
D. diverse