I paid a lot of money for this ring and___I lost it on the train!_英语解答

I paid a lot of money for this ring and___I lost it on the train!
这里答案是Yet.Yet和however都有表示然而,转折的意思,为什么这里不能用however呢?

人气：373 ℃　时间：2020-06-22 15:47:34

解答

however应该用逗号隔开如：
I paid a lot of money for this ring and however,I lost it on the train!