which引導的從句

There are two points which I wanted to make.

我想要指出的有兩點。

We are still friends, though, which is good.

不過我們仍然是朋友,這令人感到欣慰。

Which part of Japan do you come from?

你是日本哪個地區的`人?

There is some noise in the data which needs to be reduced.

資料裏有一些需要刪除的不適用信息。

Which is the largest city in the world?

世界上最大的城市是哪個?