The environmentalists and wild goats' __
问题:
The environmentalists and wild goats' _____ on the vast grasslands was a good indication of the better
environment. [ ]
A. escape
B. absence
C. attendance
D. appearance
The environmentalists and wild goats' _____ on the vast grasslands was a good indication of the better
environment. [ ]
A. escape
B. absence
C. attendance
D. appearance