题目内容:
I bought a new house last year, but I_________ my old house yet, so at the moment I have two houses.
A. didn't sell
B. have not sold
C. had not sold
D. don't sell
参考答案:
I bought a new house last year, but I_________ my old house yet, so at the moment I have two houses.
A. didn't sell
B. have not sold
C. had not sold
D. don't sell