从方框中选适当的句子完成对话A.How much do they cost?B.Can I tey them on,pl

从方框中选适当的句子完成对话
A.How much do they cost?
B.Can I tey them on,please?
C.Hmm.Have you got any other kind?
D.Size 10.
E.That's too expensive.
F.I'm looking for a pair of black shoes.
G.What color is it.
a:What can I do for you.b__________
a:What size do you want?b________
a:i'm afraid we haven't got any black shoes in that size.b_________
a:What adout those shoes over there?b_________
a:Fifty yuan.b_________
a:yes,you can.b________