1) You... have a passport to travel abroad. a) have to b) Mustn't 2) People... travel on public transport without a ticket. a) mustn't b) need to 3) We... get up early yesterday, because there was no school. a) didn't have to b) need to 4) You... finish your homework. The teacher wants to check it tomorrow. a) don't have to b) must 5) You...wear trainers for PE lessons. a) mustn't b) have to 6) 6. Students... take extra classes if they like. a) can b) must 7) Students... go barefoot in school. a) have to b) can't

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