It should have been a travel of joy,but I feel very worried.should have done这类是叫真实条件句么?
It should have been a travel of joy,but I feel very worried.should have done这类是叫真实条件句么?
英语人气：463 ℃时间：2020-06-08 07:50:17
优质解答
should have done表示本应该做的事,可实际上却没有做,属于非真实条件句
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