i have been a teacher for twenty years（保持原句意思） i ___ ___ ___

i have been a teacher for twenty years（保持原句意思） i ___ ___ ___ i have been a teacher for twenty years. I have been a teacher for twenty years 对for twenty years提问 I have been corresponding ___ him for many years. 英语:My father has been a teacher for ___(near) twenty years. I think you'd better see a doctor.（保持原句意思） I think it is ___ It has been ten years since I ___(be) a teacher. mr johnson has been a teacher for twenty years保持基本句意不变mr joh I am thirteen years old,too.(改为同意句） I ___ ___ a ____ boy. I have been to Macau before.同义句:I ___ ___ been I hope you will write to me soon.(保持原句不变） I ___ ___ hear fro It would be a___ ___ for me because I want ___ ___ a teacher