Which class are you in? I'm in class two.你在哪一个班我在2班。
Which grade are you in? I'm in grade three.你在哪一个年级我在三年级。
Which book do you like? I like this book.你喜欢哪一本书我喜欢这本。
Which sweater would you like to buy? I would like to buy this sweater.你想要买哪件毛衣我想买这件。
which的特殊疑问句及回答
1、which用作疑问代词，意为“哪一个”、“哪一些”，做主语、宾语、表语等，引导选择疑问句.
如：
Which is my seat? 哪个座位是我的?
2、which用作关系代词，意为“哪一个”、“哪一些”
如：
He also had a gun with which to defend himself. 他还有一把自卫用的枪。
3、which用作疑问形容词，意为“哪一个”、“哪一些”，在名词前作定语，引导选择疑问句
如：
Which university did you go to， Oxford or Cambridge? 你上过哪所大学?牛津还是剑桥?
4、which用作关系形容词，意为“这个“、“这些“
如：
The doctor told him to give up smoking， which advice he took. 医生叮嘱他戒烟，他接受了这一忠告。
which的特殊疑问句及回答
which season do you like best?你最喜欢哪个季节
I like winter best because I can make a snowman 我最喜欢冬天，因为我可以堆雪人
