1) You ______________________ be prepared a) have to b) must c) don´t have to 2) You ____________________ mute yourself a) have to b) don´t have to c) must 3) You ___________________ pay attention a) must b) don´t have to c) have to 4) You _____________________ be respectful a) must b) have to c) don´t have to 5) You ___________________ raise your hand to speak a) have to b) must c) don´t have to

Modal verbs

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