Jack is twenty years old.but he has only five birthdays.why?

Jack is twenty years old.but he has only five birthdays.why? Lucy is twelve years old.Jack is twenty-four years old.同义句转换 Jack is _____Lucy's _____.急用急用啊, Jack is twenty years old.But he has only fivebirhdays.Why?Because he was born（出生）__ My uncle is 什么.He is twenty-one years old. 同义句转换 Jack is two years old. Jack () () two years ago Don't______her too much,she is twenty years old Jack is nine years old.Today is his--------birthday快 Tom is fourteen years old.Jack is eighteen 令人费解的English1.Which letters mean the twenty-six lettles of English?2.Who can stop many trucks with one hand?3.Mary is 12 years old.Two years ago ,she was twice as old as her brother Jack.How old is Jack now?4.Which letter always asks you to Ann is twenty years old.Lucy is eight years old.连成一句. Jack is 4 years old.Mike is 7 years old.Mike is ___ ___ ___ than Jack. jack is ten years old and ben is fourteen years old同义句jack is ____ _____ yoounger than ben. Tom is five years old.Jack is ten years old同义句Tom is ____ ____ ____ than Jack Jack is ____ ____ ____ than Tom Jack‘s grandmother ___for more than twenty years.A has dead B has been died C has been died TWENTY YEARS AFTER怎么样 请问twenty years from Steven is 15 years old.Jack is 16 years old.Steven ____ ____old as Jack.同同义句 jack is 10 years old and mike is 10 years old too改为同义句