1) Students at school __________ wear a uniform. a) must b) mustn't  c) have to d) don't have to 2) You __________ cross the roads without looking. It’s dangerous. a) must b) mustn't c) have to d) don't have to 3) The exams are next week. I __________ work harder. a) must b) mustn't c) have to d) don't have to 4) Students _________ listen to the teacher or they won’t understand. a) must b) mustn't c) have to d) don't have to 5) We __________ leave now or we’ll miss the plane. a) must b) mustn't c) have to d) don't have to 6) Sorry, I ___________ go now. I don’t want to be late. a) must b) mustn't c) have to d) don't have to 7) You __________ come with us if you don’t want to. a) must b) mustn't c) have to d) don't have to 8) In Spain, teachers __________ wear uniforms. a) must b) mustn't c) have to d) don't have to 9) I _________ wear glasses because I can’t see very well. a) must b) mustn't c) have to d) don't have to 10) You ___________ read this book. It’s really good. a) must b) mustn't c) have to d) don't have to 11) We ___________ feed the animals in the zoo. It’s forbidden. a) must b) mustn't c) have to d) don't have to 12) You ______ drive a car if you are not 18 years old a) must b) mustn't c) have to d) don't have to

Must, mustn't, have to, don't have to

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