SONG - ROUND UP - CULTURE PAGE FOR UKRAINE » Стр.107 (5C)

C. Complete with must/have to, mustn’t or don’t have to. 1. We must pay an entrance fee. The computer fair isn’t free 2. I'll tell you what happened, but you mustn't tell anyone. OK? 3. Don't leave your rubbish on the beach. We must keep it clean. 4. You don’t have to take the dog for a walk now I'll do it later. 5. Don’t throw food in the water! The sign says that we mustn't feed the fish!