Tom ve Mary hangisini satın alacakları konusunda anlaşamadılar.
- Tom and Mary couldn't agree on which one to buy.
O, onu hangi kitabı satın alacağı konusunda yönlendirdi.
- She advised him on which book to buy.
... If that spirit, which all of you represent, ...
... There is a small section, of course, which can be quite ...