in the mid-1970's,_______________________________automobile emission.
c birds had been overcome by pollution and routinely fell form the sky above los angeles freewas,promting offcials in califonia to device a plan that reduced
D birds overcome by pollution routinely fell form the sky above los angeles ,promting offcials in califonia to device a plan that reduced
C D俩个选向 有问题 弄不明白,麻烦vetern解决!
overcome by pollution routinely fell form??是不是有问题!2个谓语
birds "overcome by pollution" 过去分词作后置定语
选D吧?
主动由于被动
ranning说的是对的
fell才是谓语
overcome by pollution 是定语
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