Hoàn thành câu với dạng đúng của have to hoặc 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.
Bạn nào làm nhanh mình sẽ cho ctlhn nha
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Sinh Học lớp 12
