it's the same pen that i lost.这就是我丢的那支笔,that能改为which不能为什么~

问题描述:

it's the same pen that i lost.这就是我丢的那支笔,that能改为which不能为什么~
原题是
A:I saw a pen in the garden yesterday.B:where is it now?it's the same pen ( ) i lost.为何选that不选which

不能 the same 与that 是固定搭配 还有 类似的 such ...that