1. He isn"t confident in himself. (改为同义句) He _____ _____ _____ in himself. 2. I"m not good at maths. (改为同义句) I _____ _____ _____ maths. 3. Pwter will improve his spelling. (改为一般疑问句) _____ Peter _____ his selling? 4. We have a piece of paper. (就划线部分提问) _____ _____ _____of paper do you have? 5. She didn"t go to school because she was ill. (改为同义句) She didn"t go to school _____ _____ her illness.