Hangi yatakta uyumak istersin?
- On which bed would you like to sleep?
O, onu hangi kitabı satın alacağı konusunda yönlendirdi.
- She advised him on which book to buy.
... on Twitter and on her blog, which you can sign up for her ...
... I'm planning on doing, which is getting us energy independent, North America energy ...