Relative Pronouns

I don't understand a word ......... you are talking about.

I'm looking at the photograph ......... you sent me with your letter.

I think you will see that this is the best museum ......... you can find in the town.

The police want to find out ......... drove the red car into the shop window.

The person in the house next to mine knows someone ......... met the Queen.

If you were a diver, you would buy ..... a JIM suit or helmet.

Divers use external air supplies to enable ..... to breathe under water.

Rachel Carson's life was marked with conservation efforts that we ..... can learn from.

The bends occurs when divers raise ..... to the surface too quickly.

A diver must supply ..... with a mixture of oxygen and different gasses.