问题 更新时间2023/4/3 12:59:00 41. Do you know the difficulty he had ( ) the work?(本题1.0分) A、 on finishing B、 to finish C、 in finishing D、 having finished 答案 登录 注册 标准答案:C 出自:青书学堂 >> 河南城建学院大学英语四