1) At our school we __________ wear a uniform. a) must b) have to c) mustn't d) don't have to 2) You __________ cross the roads without looking. It’s dangerous. a) must b) have to c) mustn't d) don't have to 3) You _______ turn on the central heating. It’s automatic. a) must b) have to c) mustn't d) don't have to 4) The exams are next week. I __________ work harder. a) must b) have to c) mustn't d) don't have to 5) You ________ forget your umbrella. It’s going to rain. a) must b) have to c) mustn't d) don't have to 6) Students _________ listen to the teacher or they won’t understand. a) must b) have to c) mustn't d) don't have to 7) You _____ cross the road when the red light is showing. a) must b) have to c) mustn't d) don't have to 8) We __________ leave now or we’ll miss the plane. a) must b) have to c) mustn't d) don't have to 9) Soldiers ____________ obey the orders. a) must b) have to c) mustn't d) don't have to 10) Sorry, I ___________ go now. I don’t want to be late. a) must b) have to c) mustn't d) don't have to 11) You __________ come with us if you don’t want to. a) must b) have to c) mustn't d) don't have to 12) I was late this morning because I _____ wait a long time for the bus. a) must b) had to c) mustn't d) don't have to 13) You ___________ take food in your room. a) must b) have to c) mustn't d) don't have to 14) You __________ use the elevators in case of fire. a) must b) have to c) mustn't d) don't have to 15) You ___________ read this book. It’s really good. a) must b) have to c) mustn't d) don't have to 16) You __________ go shopping today. We don’t need anything. a) must b) have to c) mustn't d) don't have to 17) You __________ use a mobile phone in class. a) must b) have to c) mustn't d) don't have to 18) We ___________ feed the animals. It’s forbidden. a) must b) have to c) mustn't d) don't have to 19) We _________ book the tickets before it’s too late. a) must b) have to c) mustn't d) don't have to 20) You ___________ forget his birthday again. a) must b) have to c) mustn't d) don't have to

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