Countries in the U.K.

How much do you know about the countries and cities in the U.K.?
Complete these sentences using:
Cardiff - Belfast - Kingdom - Edinburgh - Scotland - London - Twelve - four
There are _____ countries in the United Kingdom.
The countries are Northern Ireland, _____, England and Wales.
The capital or Northern Ireland is _____.
The capital of Scotland is _____ .
The capital of England is _____ .
And the capital of Wales is _____ .
London is the biggest city in the United _____ .
_