Сделайте пожалуйста упражнение! Надобно окончить беседу используя past simpl и present

A: Have you ever seen a shark? (present perfect)

B: No, I havent. But last year I swam with dolphins on holiday. (past simple)

A: How long have Ruth had stomach ache? (present perfect)

B: It started yesterday. She didnt eat anything since then. (past simple)

A: We went to a Japanese restaurant last weekend. (past simple)

B: Really? I have never tried Japanese foo. Whats it like? (present perf)

A: James ans Tom went over 20 minutes late this morning. (past simple)

B: Have they ever arrived at school on time? Theyre always late! (present perf)