问题 更新时间2023/4/3 12:59:00 6. The girl sometimes has difficulty ______ what the teacher says in class. ( )(本题2.0分) A、 understand B、 understanding C、 to understand D、 understood 答案 登录 注册 标准答案:B 出自:青书学堂 >> 洛阳理工学院-英语2(高起专)