问题详情:
---Can I help you, madam?
---No, thank you. I________ for my order.
A. waited B. had been waiting
C. have waited D. am waiting
【回答】
D
知识点:动词时态与语态
题型:选择题
问题详情:
---Can I help you, madam?
---No, thank you. I________ for my order.
A. waited B. had been waiting
C. have waited D. am waiting
【回答】
D
知识点:动词时态与语态
题型:选择题