He (work) ______on the farm for five years before he went to the college.had wor

游客2023-10-02  19

问题 He (work) ______on the farm for five years before he went to the college.

选项

答案 had worked

解析 根据题意,他上大学这件事发生在过去某个时间,那么谈到在此之前的他在农场工作的事情。自然要用过去完成时,即had done sth.的形式。
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