Write the correct response in your notebook. 1 A: Could I see your holiday photos? B: a Yes, you can. b Yes, you could. 2 A: Did you pick up Tom from the airport? B: a No, I didn't have to. b No, you may not. 3 A: Can I buy this mask, Mum? B: a No, you can't . b No, you couldn't 4 A: Did you have to wait long to get on the train? B: a Yes, we did. b Yes, we did have to. 5 A: Is it OK to take photos in the museum? B: a You don't have to. b I'm afraid you can't