原题如下: ——such heavy pollution already, it may now be too late to clean up the river. A. Having suffered B. Suffering C. To suffer D. Suffered 所给答案是A。但有的同学问,老师讲课时强调:按照英语语法规则,状语的逻辑...
一般语法书上都明确地写道:分词短语在作状语用时,其主语应是句子主语,换句话说,分词所表示的动作,必须是由句子主语发出的。例如: (1)Living in seclusion on an island,the Englishman became introspective.(Barker:The Character of...