448258130 发表于 2013-9-23 14:21
先回答楼上的问题,were found应该是修饰wives,没有问题
(A) to have borne children with heart defects ...
448258130 发表于 2013-9-23 14:21
先回答楼上的问题,were found应该是修饰wives,没有问题
(A) to have borne children with heart defects ...
LYL258344145 发表于 2013-9-24 08:56
请问一下 这个句子 Oryzalin was, wives were 不是两套主谓用逗号连接吗 还是three years是修饰1979的? ...
vertex顶点 发表于 2013-9-24 09:20
either or和not but是一样的,都是后面的部分要平行。我举个例子来说:either to do,那么or后面也要加to d ...
448258130 发表于 2013-9-24 20:47
three years after the wives of workers producing the chemical in Rensselaer, New York, were found ...
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