to where引導什么從句

　　It's one of the few countries where people drive on the left.

　　這是為數不多的幾個靠左行駛的國家之一。

　　I find it difficult to be objective where he's concerned.

　　只要涉及他，我就難以做到保持客觀。

　　There comes a point where you give up.

　　現在你該放棄了。

　　Where did you go to school?

　　你是在哪里上的學？

　　Where would be the best position for the lights?

　　這些燈裝在什么位置最好？