When he was the director in the plastic plant, he ______ together with the worke

游客2025-03-21 20

问题 When he was the director in the plastic plant, he ______ together with the workers.

选项 A、has worked
B、had worked
C、had been worked
D、used to work

答案 D

解析本题考查动词的时态。据题意，当他在塑料厂当主任时，他常常与工人一起劳动。时间状语从句是一般过去时，主句也应用一般过去时，used to意思是"过去常常"。

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Whenhewasthedirectorintheplasticplant,he______togetherwiththeworke