这里用language variations起源的动作是完成在过去,应该用originated, og210. Scientists have recently discovered what could be the largest and oldest living organism on Earth, a giant fungus that is an interwoven filigree of mushrooms and rootlike tentacles spawned by a single fertilized spore some 10,000 years ago and extending for more than 30 acres in the soil of a Michigan forest.固然表示fungus主动 extend,但是extend的动作持续到现在。 剑桥字典:Although the technology originated in the UK, it has been developed in the US.这句该成分词短语应该是Originated in UK,the technology has been developed in the US. 按照楼上的说法则变成Originating in UK,the technology has been developed in the US.那么哪个是正确的?
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