分析一句英语语法I first started using drugs when I was 15.这句中为什么用的st

分析一句英语语法I first started using drugs when I was 15.这句中为什么用的st I started to play football when I was five.(同义句）I started to I started to learn the piano when I was five years old.的同义句是 when i was 10,i started learning French的同义句 I started school when I was six I started collecting them when I was I first started a_____ in a play when I was 12. 英语翻译I first started playing the piano when I was three.My pa 翻译:When I first caught a glimplse of 21st century,I was deep I started learning English when I was nine years old 改成同义句 I I started to like you when I first saw I started playing tennis when i was seven years old.同义句