王老师:19139051760(拨打)复制微信 题目 更新时间:2023/4/3 From December to February, school children in Costa Rica ______.( )(本题2.5分) A、 have lessons every day B、 have their examinations C、 help their parents decorate their houses D、 help their parents pick coffee beans 答案 登录 注册 标准答案:D 出自:青书学堂 >> 西安石油大学-石油工程技术-大学英语I(上) 西安石油大学继续教育学院