A.Let me see. I think it's a toilet for a pet(宠物).
B.Yes, I do. I like studying them. 
C.Do you know anything about the public signs?
D.OK. What does that sign on the door mean?
排序:________
当前题号:1 | 题型:None | 难度:0.99
将下列句子重新排序,组成一段完整的对话。
A.No. May I see that one, please? 
B.How much is this postcard?
C.Yes, I want to buy some postcards.
D.Can I help you?
E. Sure.
F. It’s two yuan. 
G. I’ll take five, please.
H. Do you like this one?
当前题号:2 | 题型:None | 难度:0.99