Examples of using "Seçeceğimi" in a sentence and their english translations:
I don't know who I'm going to choose.
- I don't know which to choose.
- I don't know which one to choose.
I didn't know which one to choose.
I don't know which book to choose.
Both are pretty; I don't know which to choose.
In my naivety, I thought I got to choose.
I don't know which of the two to choose. They're both very pretty.