We're not very close friends__we've known each other for a long time.这里是用although 还是until
问题描述:
We're not very close friends__we've known each other for a long time.这里是用although 还是until
答
although
这句话的意思是:我们不是很要好的朋友-----我们认识很久了
所以横线部分因该是 :虽然--although