どれ

Anata no kasa wa dore desu ka.

Which one is your umbrella?

Ringo ga takusan arimasu. Dore ga oishii desu ka.

There are many apples. Which one is delicious?

Kuruma no kagi wa dore desu ka.

Which one is the car key?

Kono hon no naka de, dore ga ichiban omoshiroi desu ka.

Among these books, which one is the most interesting?

Anata no kaban wa dore desu ka.

Which one is your bag?

Kēki ga takusan arimasu. Dore o tabetai desu ka.

There are many cakes. Which one do you want to eat?