Вставьте артикль an/a или the: 1) My parents have ... cat and ... parrot. ... cat never attacks the parrot, but ... parrot

1) My parents have a cat and a parrot. The cat never attacks the parrot, but the parrot often hurts the cat. 2) Would you like a cup of tea? 3) Have you been to the museum I told you about? 4) Albert Einstein was a famous scientist. 5) For breakfast I had some orange juice and a sandwich. It was very nice. 6) When we were in London we stayed at the hotel. We had our breakfast at the hotel, and lunch at a cafe. 7) Could you turn on the light? It\'s dark in the room.