English Monday, February 27, 2023 Fill in the blanks must or mustn’t. Number 1&2 have been done for you. 1. You ……must ……..eat vegetables. 2. He ……musn’t…………….chew gum in the class. 3. You ……………………………clean your room. 4. We ………………………….pollute the water. 5. We …………………………..bring our books to school. 6. You ………………….…….cheat on your exams. 7. I ……………………pay attention to the teacher. Grade 4