试题详情
单项选择 较难0.4 引用7 组卷1112
My mother has taught in this school ________ she was twenty years old.
A.forB.untilC.becauseD.since
2017·四川德阳·中考真题
知识点:becauseforuntil含since/for的现在完成时从属连词辨析 答案解析 【答案】很抱歉,登录后才可免费查看答案和解析!