i am five years old.old是什么词性?

I am five years old.同义 i am five years old.old是什么词性? I am five years old 改为否定句 I am twelve years old. I am 20 years old. is five years old.I am five years old,too（改为同义句）He is five years old,＿＿ ＿＿ ＿＿.3个空、应该填什么呢? I am 13 years old用13 years old提问 I am fourteen years old.提问 I am twelve years old 英语疑问句 I am fifteen years old this__ I am 11 years old怎么读 I am sixteen years old前一句是什么 I am 13 years old 对13 years old提问I am 13 years old对13 years old提问________ _______ your I am thirteen years old.＝I am____the_____. I am_____ years old.i am a_____(boy, l am years old. i am twenty years old与 i have twenty years old区别? You are fifteen years old.I am fifteen years old,too.(同义句)____ ____ ____are fifteen years old.