B1 : Chuyển sang câu bị động 1. He isn't teaching me EL now 2. Did you drink a sup of tea yesterday 3. Does he sing a song every day? 4. No one cuts the flowers in the park 5. I don't read comic in the library 6. No body is writing letters on the paper 7. Is your brother cleaning the rooms at present 8. I don't write her an email everyday 9. He ate cakes at home yesterday 10. She didn't look after them in the hospital

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