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Complete the sentences with the correct form of have to or must.
You ________ be at school before the bell rings.
You ________ copy the work of other students in exams.
You ________ put your mobile phone in your bag during the class.
You ________ chew gum in class.
You ________ keep silent during the class. Raise your voice if you have any questions.
You ________ follow your school and class's rules.
You ________ be at school before the bell rings.
You ________ copy the work of other students in exams.
You ________ put your mobile phone in your bag during the class.
You ________ chew gum in class.
You ________ keep silent during the class. Raise your voice if you have any questions.
You ________ follow your school and class's rules.