Know each other*******************************************************************************************************^__^真心祝你学习进步，如果你对这个答案有什么疑问，请追问，另外如果你觉得我的回答对你有所帮助，请千万别忘记采纳哟！*******************************************************************************************************
他们好像以前彼此认识1 They seem to know each other. == It seems that they know each other2 They seem to have met (each other) before.== it seems that they have met (each other) before
心晴joanny
