General "to choose":
* choisir (most common and versatile)
To choose something specific:
* choisir + noun (e.g., choisir un livre - to choose a book)
To choose between two options:
* choisir entre + noun 1 + et + noun 2 (e.g., choisir entre le rouge et le bleu - to choose between red and blue)
Formal/literary contexts:
* élire (to elect, to choose formally)
Let me know if you have a specific context in mind, and I can give you the most suitable translation!