"English plays a crucial role in Australia as it is part of the country's national identity. It serves as the primary language for communication in all aspects of daily life, including education, work, and social interactions."
Australian 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 Australian Citizenship: Our Bond material alone.