which的用法，主要用作代词、限定词、形容词，作代词时意为“哪一个，哪一些”；(指明事物）……的那个，……的那些；(进一步提供有关某事物的信息）那个，那些，作限定词时意为“哪一个，哪一些”。

(指明事物）……的那个，……的那些；(进一步提供有关某事物的信息）那个，那些，作形容词时意为“哪一个，哪一些；无论哪个；(进一步提供有关某事物的信息）那个，那些。

双语例句：

1、You love that but I love which.

你喜欢这个，而我喜欢这个。

2、Which do you prefer, this or that?

你更喜欢哪个，这个还是那个？

3、Which festival do you like?

你喜欢哪一个节日？

which的用法如下：

1、哪一个；哪一些 

used in questions to ask sb to be exact about one or more people or things from a limited number

Which is better exercise─swimming or tennis?

游泳和网球，哪种运动比较好？

Which of the applicants has got the job?

哪一位应聘者得到了这份工作？

Which of the patients have recovered?

哪些患者已经康复了？

Which way is the wind blowing?

风朝哪个方向刮？

2、（明确所指的事物）…的那个，…的那些 

used to be exact about the thing or things that you mean

Houses which overlook the lake cost more.

俯瞰湖泊的房子要价高些。

It was a crisis for which she was totally unprepared.

这是一场她完全没有防备的危机。

3、（进一步提供有关某事物的信息）那个，那些 

used to give more information about sth

His best movie, which won several awards, was about the life of Gandhi.

他最优秀的电影，就是荣获几项大奖的那一部，是关于甘地生平的。

Your claim ought to succeed, in which case the damages will be substantial.

你的索赔应当能成功，假如这样的话，损害赔偿金将会相当可观。

拓展资料

1、Which do they want me to do? declare war or surrender? 

他们想让我做什么，宣战还是投降？

2、I wanted to know which school it was you went to 

我想知道你上的是哪所学校。

3、Soldiers opened fire on a car which failed to stop at an army checkpoint 

士兵向那辆拒绝在军事检查站停车检查的汽车开了火。

4、They ran out of drink. Which actually didn't bother me because I wasn't drinking 

他们把酒喝完了。但实际上这对我来说无所谓，因为我不喝酒。

5、They all look so alike to me that I'm never sure which is which 

对我来说他们看起来全都非常相似，我永远搞不清哪个是哪个。