in which跟that、which有什么不同的吗?

in which跟that、which有什么不同的吗? in which跟that的不同? which和in which 的不同 which和in which有什么区别? 有时用which 有时用in which 还有什么in that 怎么转换?还有which和that 的区分 in which等于that吗? 请问从句中的连词像that,which,what和平常的那种连词and,but有什么不同吗 定语从句中,关系词that,which.who的用法有什么不同? that ,which,in that,in which区别 关于that 和什么which ,in which之类的介词转化 in which 和in that的区别 which,in which,where,that作引导词的区别