John has worked as a sales manager since he (join)______this company in 2002.joi

游客2024-07-23  9

问题 John has worked as a sales manager since he (join)______this company in 2002.

选项

答案 joined

解析 本题译文:约翰2002年进入公司以来,一直担任销售经理一职。
本题考查时态。现在完成时态经常和since,for连用,其结构是have/has十p.p.(动词的过去分词),而且since后的从句时态是过去时。因此该空格处应填动词的过去式,即join的过去式joined。
  注意:现在完成时态经常和since,for连用,其结构是have/has+p.p.区别在于:since用来说明动作起始时间,for用来说明动作延续的时间长度。
  例如:(1)I have lived here since I was born.自从我出生,我就在这里生活。
  (2)I have lived here for more than twenty years.我在这里生活二十多年了。
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