作业帮It's several hundred years old.(同义句替换) It __ __ several hundred years ago.
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It's several hundred years old.(同义句替换) It __ __ several hundred years ago.
It's several hundred years old.(同义句替换) It __ __ several hundred years ago.
It's several hundred years old.(同义句替换) It __ __ several hundred years ago.
was born
had existed
existed