He added that they______ day and night for nearly a week to get
分类: 英语语法(00831)发布时间: 2024-08-22 09:31浏览量: 4
He added that they______ day and night for nearly a week to get the car going again.（ ） A、had been working B、have worked C、have been working D、worked 【正确答案】：A 【题目解析】：考察过去完成进行时，这是一个宾语从语，宾语从句中选择什么时态根据主句判断，主句时态是一般过去时，说明在他说这句话之前动作已经发生，并且是一个持续的过程，所以答案选择A.