----- Nội dung dịch tự động từ ảnh ----- must / mustn't 3 Complete the sentences with must (✔) or mustn't (x) and the verbs in the box. You mustn't send text messages in class! (✔) for the math exam. (✓) food in your my homework in front of 11- 2 You clean do eat go send study watch bedroom. (X) 31 the TV. (X) 4 The boys. after school. (✔) 5 Katia 6 Girls! You. awful. (✓) on abo straight home TV after 10 p.m. (x) your room. It's
