这些书里，你想买哪些？

Zhèxiē shū lǐ, nǐ xiǎng mǎi nǎxiē?

Among these books, which ones do you want to buy?

你觉得哪些电影很好看？

Nǐ juéde nǎxiē diànyǐng hěn hǎokàn?

Which movies do you think are very good?

这些菜里你最喜欢哪些？

Zhèxiē cài lǐ nǐ zuì xǐhuān nǎxiē?

Among these dishes, which ones do you like the most?