高等继续教育 / 统考英语B
正确率：统考%
题型描述: 单选题
A. could have done，was
B. hadnˊt done，had been
C. could do，was
D. had done，had been
He the job well，but he so careless.
A. could have done，was
B. hadnˊt done，had been
C. could do，was
D. had done，had been
参考答案：