Read and choose. 补全对话。
Saleswoman: Can I help you?
Bill: 1
Saleswoman: What colour do you like?
Bill: 2
Saleswoman: How about this pair?
Bill: 3 How much are they?
Saleswoman: 20 yuan.
Bill: 4 Bye-bye!
Saleswoman: 5
A. Bye-bye!
B. It's a black bag.
C. Great!
D. How are you?
E. I want to buy a pair of shoes.
F. Here is the money
G. Red.