George ............ go to school now. He's 20., mustn't, don't have to, doesn't have to, have to, You ........... unload the dishwasher. I did it earlier., mustn't, don't have to, doesn't have to, have not to, My sister __________ do much homework because she is in grade 1., doesn't have to, must, has to, don't have to, mustn't, You ___________ use your phone during lessons., don't have to, can, mustn't, must, I finished all my exams yesterday. I ......................... study today!, don't must, mustn't, don't have to, have to, This car park is only for people who work in this building. We................... park here., must, mustn't, don't have to, have to, .................. go to school tomorrow?, Do you have to, Have you to, You have to, Does you have to, The sea is too dangerous today. You ................... swim here!, must, mustn't, don't have to, hav e to, ____________ go home early?, Do I must, Must I, I must, Must I have to

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