Fill in the Blanks

This is a famous landmark in London : .
People used this for light in the past : .
The parents of your mother or father : .
Nowadays we use this to create artifical light : .
A modern instrument used to tell the time : .
An old building made of stone with a moat : .
People used this to play music in the past : .
You are their son or daughter : .
An old building with a special geometric shape : .