The volunteers try to convince people __
问题:
The volunteers try to convince people _____ the fact that some species are in danger of _____.
A.for; dying away
B.about; dying down
C.of; dying out
D.on; dying off
The volunteers try to convince people _____ the fact that some species are in danger of _____.
A.for; dying away
B.about; dying down
C.of; dying out
D.on; dying off