1) Today is Sunday. She ........ go to school. a) don't have to b) mustn't c) doesn't have to 2) You ....... take photos in the museum. a) mustn't b) have to c) must 3) You .....walk on the grass in the park. a) have to b) mustn't c) must 4) Meg is on holiday. She .........go to school. a) has to b) must c) doesn't have to 5) The bus is late, so we .......to go on foot. a) have to b) don't have to c) must 6) Pupils ......stand up in the classroom when the teacher comes in. a) have to b) must c) mustn't 7) We ....cross the street when the light is red. a) must b) mustn't c) have to 8) We.....to wear a uniform at school. a) have to b) don't have to c) mustn't

Modal verbs

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