They had to examine the dead fish before they had a (n)_____answer as to what killed them.A.practical B.passive C.positi
问题描述：
They had to examine the dead fish before they had a (n)_____answer as to what killed them.A.practical B.passive C.positive D.absolute 选哪个
答
D,正确的,意思.A,B不符语义,C是积极地,正的.和负的相对应.所以选D