Which dress looks
better? Try on the blue
one.

Give me the book.
Which one?

Which one? The one on
the left.

This one or that one?
Both.

I don't know which one
is mine.

A suit? How about this
one?

Attach a photo if you
have one.

You can never find a
policeman when you
need one.

Which question would
you like to answer? The
first one.

My shoes are very old.
I'm going to buy some
new ones.

Here are some English
words. Which ones do
you know?

Don't buy those apples.
Buy the other ones.

Which ones? The green
ones.

He's bought a new car
so he's selling the old
one.