句型转换。 1.He started to learn the piano when he was five years old.(同义句) He started _____ the piano at _____ _____ _____five. 2.He was first in the competition. (同义句) He _____ _____ _____ _____in the competition. 3.I took part in the school football team last year . I _____ _____the school foot ball team last year. (同义句) _____ _____you _____ part in the school football team.(对划线部分提问) 4.He hiccupped for 69 years and 5 months . (对划线部分提问) _____ _____ _____ he _____? 5.I was born in Beijing in 1988 . (对划线部分提问) _____ and _____ _____ you _____?