Look at this text about politics in the UK on the vocabulary section. Fill in the missing words.

Parliament in the UK consists of two chambers: the House of Commons and the House of Lords. The country is divided into , each of which elects a(n) to represent it in the House of Commons. The ruling party in the Commons is the one which gains a of seats. The main figure in that party is called the . Sometimes more than one party may share power in a government. The Commons is elected for a maximum period of five years although the Prime Minister may call a general at any time within that period.