国开《综合英语(1)》Unit4 单元练习 形考试题 【题目】 I bought a new house last year, but I______my old house yet. did not sell have not sold had not sold do not sell 试题来源综合英语(1) 查看整套课程试卷 此内容查看价格为0.2金币,请先登录如有问题,请联系微信客服解决!