1·Which is the best route to take?
哪一条是最佳路线？
—— 《牛津词典》
2·Which is their house?
哪座房子是他们的？
—— 《牛津词典》
3·Which is the largest city in the world ?
世界上最大的城市是哪个？
—— 《牛津词典》
4·They all look so alike to me that I'm never sure which is which.
它们在我看来简直一模一样，我永远分不清哪个是哪个。
—— 《柯林斯英汉双解大词典》
5·I wonder which is hers.
我想知道哪个是她的。
6·Which is higher number?
哪个是更大的数？
7·Which is your school?
你是哪所学校上学的？
8·Now which is which?
现在，哪个是哪个呢？
9·Which is her seat?
她的座位是哪个？
10·Which is my name?
哪个是我的名字？