句型转换。 1. Why don't you ask Tom for help?(改为同义句) _____ _____ ask Tom for help? 2. Have you got any pen friends?(改为同义句) _____ you _____ any pen friends? 3. Don't forget to speak English, _____ _____?( 完成反意疑问句) 4. To remember new words is difficult.(改为同义句) _____ difficult _____ remember new words. 5. I was born in Tianjin in 1991. (对画线部分提问) _____ and _____ _____ you born?