国家开放大学 / 综合英语（2）
正确率：100%
The woman with the red umbrella _ _ _ _ _ _ to see you since 8:00 this morning. Can you see her now?
a.has waited
b.has been waiting
c.was waiting
d.is waiting
a.has waited
b.has been waiting
c.was waiting
d.is waiting
参考答案：
佳题速递：