【跪求】10句“定语从句”（每句10词上）

The comrade that（who）is speaking at the meeting is an advanced worker．正在会上讲话的那个同志是个先进工人。
Is this the doctor that（whom）you talked about yesterday？这就是你们昨天谈论的那位医生吗？

The letter that（which）I received yesterday was from my father．昨天我收到的信是我父亲寄来的。

This is the thief who stole my bike．这就是偷我自行车的那个贼。

He is the boy whom you wanted to find．他就是你想要找的那个男孩。

The girl whose mother is a doctor is waiting for you outside．妈妈是个医生的那个女孩在外面等你。

The book which Mum bought me last week is called“Red Star Over China”．妈妈上周买给我的那本书名叫《西行漫记》。
The house which Lu Xun once lived in is now the Lu Xun Museum．鲁迅曾经住过的那所房子现在是鲁迅博物馆。

I will never forget the day when I joined the League．我永远忘不了我入团的那一天。
He will go back to the school where he studied next week．下周他要回到他曾经学习过的学校。
I don't know the reason why he quarreled with Zhang Lin．我不知道他同张琳吵架的原因。