3 A: You look fantastic! ............................................. (you/spend) your summer holidays at the seaside? B: We ............................................. (go) to the Crimea in June and I ............................................. (travel) to the Caucasus in July.

3.

• A: Have you spent your summer holidays at the seaside? (Present Perfect, так как результат действия виден сейчас - 'You look fantastic!').
• B: We went to the Crimea in June and I travelled to the Caucasus in July. (Past Simple, так как описываются завершенные действия в прошлом с указанием конкретного времени - 'in June', 'in July').