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.