根据对话中的情景，在空白处填上适当的单词，使对话内容完整 ,每空一词 。
A: Can I 1______you?
B: Yes, please. I want some 2______for my friends. Do you have any?
A: Yes, we have bags 3______many colors What 4 ______do you like?
B: We nine girls like yellow.
A: Here are the yellow bags. Do the boys like yellow, too?
B: No, 5______want black ones.
A: How many black bags do you want?
B: Six.
A: Nine yellow ones and six 6 ______0nes. Here are the 7______bags.
B: How 8______ are they?
A: Let me see. Three dollars for each. They are forty-five dollars.
B: OK, I will 9______them. Thank you very much.
A: You are 10______.