Помогите пожалуйста с вопросами по английскому!!!!

48. When ...Rome? Last summer or last winter?

а) did you visit
б) are you visiting
в) do you visit

49.Paris is the ...city I’ve ever seen.

а) beautiful
б) more beautiful
в) most beautiful

50....you help me with my project, please?
а) Will
б) Do
в) Are