题目

--The wall of your room doesn't look nice.  ---I wish I ___ it green. A. shouldn't have painted   B. wouldn't painted   C.hadn;t painted   D. don't paint 答案:C 解析: wish后面接从句用虚拟语气,这里表示与过去事实相反,所以选C。请你阅读下列计算过程,再回答所提出的问题:====(1)上速计算过程中,从哪一步开始出现错误:______.(2)从(A)到(B)是否正确 ______,若不正确,错误的原因是 ______.(3)请你写出正确的答案.
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