国家开放大学 / 综合英语（2）
正确率：100%
Tom’s hands are very dirty. He _ _ _ _ _ _ _ _ the car.
a.has been repairing
b.has been repaired
c.has repaired
d.was repairing
a.has been repairing
b.has been repaired
c.has repaired
d.was repairing
参考答案：
佳题速递：