国家开放大学 / 综合英语（3）
正确率：100%
I _ _ _ _ _ _ dishes in the kitchen when you rang the bell the first time, and that’s why I _ _ _ _ _ _ hear you.
A.had washed; didn’t
B.was washing; didn’t
C.washed; didn’t
D.was washing; hadn’t
A.had washed; didn’t
B.was washing; didn’t
C.washed; didn’t
D.was washing; hadn’t
参考答案：
佳题速递：