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语法填空-单句语填 适中0.65 引用1 组卷143
They ______________(work) on the program for almost one week before I joined them,and now we ____________(work) on it as no good results have come out so far. (所给词的适当形式填空)
2023高三·上海·专题练习
知识点:work(奏效;起作用)现在进行时过去完成进行时 答案解析 【答案】很抱歉,登录后才可免费查看答案和解析!