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
京公网安备11010202008513号 京ICP证101109号 京ICP备12012021号
发表于 2007-9-17 11:07:00
