They are still discussing whether I_____to the meeting yeste

They are still discussing whether I_____to the meeting yesterday,which I think was not necessary at all.A.could come B.should have come C.should come D.must have come 选B.为什么?C为什么不行?

wangchaoqun0503 1年前已收到5个回答举报

flyaloft 花朵

共回答了15个问题采纳率：80% 举报

因为是现在讨论过去的事,开会是昨天的事,已经过去,所以用should+ have+ 过去分词
而should+ 动词原形,表示现在或者将来“应该做某事”
请在客户端右上角评价点“满意”即可,

1年前

271380060 幼苗

共回答了1个问题举报

这是whether引导的一个宾语从句，meet缺少相应宾语，意思是他们还在讨论我明天是否该去参加那个会议，但我认为没有必要。

1年前

珑雨幼苗

共回答了48个问题举报

我怀疑答案错了，明显时态不对。我选C

1年前

mathrose 幼苗

共回答了2个问题举报

should have done 一个句式，意思是，本应该做，却没有做。。（过去完成时）还有一个shouldn't have done 意思是，本不应该做，但实际已经做了，表示动作已经发生了！对现在造成的影响！

1年前

香香精灵幼苗

共回答了7个问题举报

should have done 表示本应该做。然后就是自己理解了

1年前

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