Geography
Name at least on accent which is used in the United Kingdom.
RP (received pronunciation), cockney, brummie, scottish, welsh ...
When did Hong Kong become part of China? (tolerance 10 years)
Hong Kong was an Overseas Territory (colony) of the United Kingdom until 1997.
What do British usually talk about?
Of course, it's weather.
Name a place tourists would visit.
e.g. Stonehenge, Shakespear's Globe Theatre, Buckingham Palance...
What does "It's raining cats and dogs" mean?
It is raining heavily.
Name two members of the Royal Family (you can't name the King Charles).
Prince Harry, Prince William, Princess Charlotte, Princess of Wales etc