在下面对话的空白处填上适当的话语（话语可以是句子、短语或词），使对话完整，将答案写在答题纸的相应位置上.（共10分，每小题2分）
A: 小题1:___________________________, sir ?
B: Yes, please.小题2:_______________________ a pair of sports shoes.
A: What size do you want, please ?
B: Size forty one.
A: OK! What about this pair ?
B: Size forty one.
A: OK! What about this pair ?
B: Sorry ! I 小题3:______________ black shoes.
A: Oh, we 've also got blue ones.
B: Can I 小题4:__________________ on ?
A: Yes, please .
B:小题5:__________________ each pair ?
A: Thirty- five yuan.
B: All right. I 'll take it.
