how long has Jim been at this school?回答

填空:How long has Mr.Black been t_______in this school? Jim how long have you been running this moring ________ 翻译How long has this food store been in business? how long has this shop been established/opened? How long has this bookshop been in buisness? how long has this food store been in business?since How long has it been since this company was established? ---How long ____you ____(teach) English at this school?---Fo how long has it been raining (rain) like this 《正确答案》中的been 我 how long ______ this school? How long has he been skating? How long has alison been skating?