求一英语语法题I bought a new house last year,but I ______my old house yet,so at the moment I have two houses.A.did not sell B.have not sold C.had not sold D.do not sell

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求一英语语法题I bought a new house last year,but I ______my old house yet,so at the moment I have two houses.A.did not sell B.have not sold C.had not sold D.do not sell
求一英语语法题
I bought a new house last year,but I ______my old house yet,so at the moment I have two houses.
A.did not sell B.have not sold C.had not sold D.do not sell

求一英语语法题I bought a new house last year,but I ______my old house yet,so at the moment I have two houses.A.did not sell B.have not sold C.had not sold D.do not sell
英语中表示从过去某个时间到现在为止的时态用现在完成时.而在过去某个时间点发生且并不延续的情况用过去式.
看上文最后一句,at the moment是“目前”的意思,i have也可以看出是指现在.那么可知,说话者现在有两套房,那么旧房子是到现在为止仍未卖出,所以卖旧房子应该用现在完成时.所以只能选B.

因为这里是的意思是说到目前为止我还没卖出我的旧房子,所以得用现在完成时的否定形式,所以选B。

应该用现在完成时,表示持续到现在的一种状态