The first English settlers to establish a permanent colony in America did ___not at Plymouth but along the shore of the James River. 空格处是填it还是so呢？ 我看到一个句子：Tony cleaned house yesterday and he does it everyday. it应该可以用来指代动作吧？但为什么这里得正确答案是so呢？两者的区别是什么？
后面填so是因为it不能指代句子，it只能指代前文出现的词。 The first English settlers to establish a permanent colony in America did ___not at Plymouth but along the shore of the James River.
did so是指代establish a permanent colony in America。
第二句Tony cleaned house yesterday and he does it everyday.it指代的是house,而does替换了clean，如果动词是一样的，后面可以用do替换。
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发表于 2011-8-22 16:50:40
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