问题 更新时间2023/4/3 12:59:00 She was in London for two years, ______ as a tourist guide. ( )(本题2.0分) A、 to work B、 working C、 to have worked D、 having been worked 答案 登录 注册 B、 working 出自:和学 >> 华北水利水电大学混凝土结构设计原理