My mother has taught in this school (since she was less than thir_英语解答

My mother has taught in this school (since she was less than thirty.)对括号部分提问（）（）（）your mother（）in this school?

人气：414 ℃　时间：2019-10-23 04:21:08

解答

问某动作持续了多长时间,用 how long:
How long hasyour mothertaught in this school?