1) George ............ go to school now. He's 18. a) mustn't b) has to c) don't have to d) doesn't have to 2) You ........... unload the dishwasher. I did it earlier. a) need b) needn't c) must d) mustn't 3) My sister .................. do much homework. She's in primary school . a) doesn't has to b) have to c) doesn't have to d) mustn't 4) You ................ use your phone during the lesson. a) has to b) need to c) needn't d) mustn't 5) I finished all my exams yesterday. I ......................... study today! a) don't must b) mustn't c) needn't d) don't has to 6) This car park is only for people who work in this building. We................... park here. a) must b) mustn't c) don't have to d) has to 7) .................. go to school tomorrow? a) Do you have to b) Does you have to c) Must you d) Do you must 8) The sea is too dangerous today. You ................... swim here! a) must b) mustn't c) have to d) don't have to

Must/mustn't, have to/don't have to, need/ needn't

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