I‘m twelve this year是啥意思

I‘m twelve this year是啥意思 i'm in year 4 this year I'm a twelve year old girl.改为同义句 I'm twelve_____ Tome is twelve this year.Sam is fourteen this year I am (twelve years old) this year.就括号部分提问 i'm in year 4 this year作何解释 there are twelve (m ) in a year 英语翻译Hello!I'm Bill Smith.I'm twelve.This ismy sister,Jenny.S My name is Li Lei.I'm Chinese.I'm twelve.This is a picture o ‘I am twelve year old.'怎么改错 by this time next year 是啥意思? what day is it on this year?是啥意思