Замените действительный залог на страдательный. 1. Fleming discovered antibiotics in 1929. 2. They sent for a doctor. 3. The student wrote an English test at the lesson. 4. We discussed some problems. 5. A nurse looks after her bed-patient. 6. They will publish this book next year. 7. They will have done this medical research of cancer by the end of the year. 8. My doctor gave me a good advice how to recover from my illness.