چگونه افراد را مخاطب قرار دهیم | استفاده از Mr, Mrs, Ms

In this video, Alisha answers 5 questions.
- Have you ever cried in a film? Have you ever cried at film? My question is about preposition ""in"",""at"". Which sentence is correct?
- Why the verbs like ""bury"", ""hurry"", ""study"", ""tidy"", ""try""..., are in the Irregular verb list? Their Past Simple and Past Participle forms have -ed ending like other regular verbs.
- What's the difference between these words: Interior & Internal? Exterior & External?
- How to politely address unfamiliar women and men? 'Lady, miss, Mrs., mister, sir'?
- What are the diffrences between test, exam, quiz and questionnaire, and when I should use each of them?