Chuyển từ chủ động sang bị động 1. Iam lightening a paper. 2. A group of students have met their friends at the rail way station. 3. They didn't allow Tom to take these books home. 4. The teacher won't correct exercises tomorrow. 5. Marry has operated Tom since 10 o'clock 6. This is the second time they have written a letter to us. 7. Mr.Smith has taught us French for two year. 8. They didn't look after the children properly. 9. Nobody swept this street last week. 10. People drink a great deal of tea in England.

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