1) I ______ go to the doctor — I feel terrible. a) must b) have to 2) You ________ stop when the traffic lights are red. a) have to b) must 3) My brother ______ wear a uniform at school. a) mustn't b) has to 4) We ________ be quiet in the library. a) must b) haven't 5) I _______ do my homework every day. a) have to b) mustn't

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