题目内容：

I found a wallet _____ there was a lot of money.A.that B.on which C.where D.which 选哪个?

优质解答

定语从句,这句的意思我找到个钱包里面有很多钱,你可以这么理解
I found a wallet
there was a lot of money in the wallet
所以可以用in which来引导,但是这里没有这个选项,定语从句中in which=where,所以选C