These websites can help you prepare for passing UK tests on your first attempt.
UK driving theory tests
Theory Test Pro is a realistic online simulation of the UK's driving theory tests for all vehicle categories. It contains all the official test questions licensed from the Driving and Vehicle Standards Agency (DVSA), the people who set the tests.
Citizen study materials
GoCitizen is a study resource for candidates preparing for the Life in the UK test or British citizenship test. It includes latest official study materials licensed from the Home Office, the people who write the handbook.