Relative pronouns: who, which, where, that

This is the shop ___ I bought my shoes.

She was the doctor ___ saved my life.

He is the artist ___ painted this picture.

There is a problem ___ we must discuss.

It's the tree ___ these birds build their nest.

That's the house ___ I want to buy.

This is the robot ____ cleans the floor.

These are web browsers ______ we can find information.

The people ............ were in the bank were very frightened.

This is the bus _____ goes to your city. 

Where is this naughty dog ............... ate my new shoes?!