This is the room in which he used to live.

This is the room in which he used to live.和This is the room which he used to live in这两句中介词的位置是不是放在句末和关系代词前面都可以，如果不是的话请说明一下用法，谢谢

is this the reason ........????? This is the key_____my bicycle. this is the way是什么意思? This is exactly the situation This is the way to the bookshop? h还是 This is the way on the bookshop? this is the school where is in the beijing maybe this is fate 还是the fate what is the meaning of this? : what is the meaning of this sentence? this is the case如何翻译?