It is said that it --- here since hundreds of years ago Ahas

问题描述:

It is said that it ___ here since hundreds of years ago Ahas been existed Bhas existed
1个回答 分类:英语 2014-11-06

问题解答:

我来补答
B.exist是不及物动词,后面不跟宾语
再问: 为什么不能是has been existing
再答: existing是定语形容词,一般不用做现在分词。
 
 
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