阅读下面的短文,根据短文内容,从下面方框内所给11个词中选择10个意义相符的词,必要时进行词形变化,填入空白处,每空一词。 except tooth good three wild for situation we enough up small Animals are people’s friends. But many 23 animals are facing the danger of dying out(灭绝), because the environm...