Completar Frases Unit 4Versión en línea test for the unit por Marleny Chén 1 to mustn't don't doesn't have have must to must I work on weekends . She get up early . I go home . I take my children to school . You talk to strangers . 2 Must I make a decision right now ? It is now or neve r 3 mustn't must must mustn't They smoke inside the room . I visit my grandmother , she asked me to do so . We fight for a better world You be here until eight o'clock . 4 to had have have to don't I study for the exam Yesterday , I take a taxi You to pick me up at the estation . I can take the taxi .