The volunteers try to convince people _____ the fact that some species are in da

题干

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

上一题下一题 0.85难度单项选择更新时间:2010-07-23 12:50:30

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