1. The teacher gave me an interesting novel yesterday afternoon.(改为被动句) I _____ _____ an interesting novel by the teacher yesterday afternoon. 2. He can"t decide what he should do next.(改为同义句) He can"t decide what _____ _____ next. 3. The book must be Li Lei"s.(改为否定句) ______________________________ 4. I"m a little worried about the math exam.(改为同义句) ______________________________ 5. Everyone has his or her ideas.(对画线部分提问) _____ ideas _____ everyone _____?