He (work) ______in that city for eight years before he moved here.had been worki

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问题 He (work) ______in that city for eight years before he moved here.

选项

答案 had been working

解析本题考查谓语动词的时态。由before引导的时间状语从句是一般过去时，又通过连词before此可以看出主句的动作发生在从句动作之前，并且状语“for eight years”表示持续了一段时间，所以留空处需要用过去完成进行时had been working。

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