单项选择题
A.I hope he will call me back B.No. I'll call somebody else C.I don't think it's appropriate D.Don't bother. I'll try his cell
A.I'm afraid not. B.Can you walk slowly, please C.Let me think of it. D.Who knows
A.They remember seeing you once B.Thanks a lot. I will C.I am afraid they have poor memories D.You can contact them directly