4 Complete the dialogue. Use one word in each gap.

A: How did you get lost? B: We went for a walk in the mountains, but it got dark and we 'couldn't see. We didn't have any food with us, so we decided to eat berries. A: What about mushrooms? B: We couldn't eat mushrooms! Some mushrooms are dangerous! A: What did you drink? B: There was a river. The water was clean, so we did drink it. A: Did you have to sleep under the stars? B: Yes, we had, and it was very cold at night. Then the next day, a man found us and took us to his village. Luckily, we didn't have to walk far. The village was only a kilometre away!