"Canadian law comes from various sources, including laws passed by Parliament and provincial legislatures, English common law, the civil code of France, and unwritten constitutional principles from Great Britain."
Canadian Citizenship Test gives you access to many more tests than just the one practice test available on the government website. That official sample test is good for giving you an idea of what to expect on the real test. But it can't help you prepare fully. Nor does reading the Canadian Citizenship: Our Bond material alone.