二、交际训练。 (二)阅读下面对话,根据上下文情景选择正确答案。 S-Shop assistant M-Mary S: Good afternoon. ___1___ M: I want to buy a pair of shoes. S: We have all kinds of shoes here. ___2___ M: Will you please show me the white pair? S: OK. What size do you want? M: I want size 37. S: Here you are. ___3___ M: They look very nice. ___4___ S: 140 yuan. M: All right. It’s quite reasonable. I’ll take them. Here is 150 yuan. S: Thank you. ___5___. M: Thank you. A. How much are they? B. Try them on, please. C. What color are you interested in? D. Here is your change. E. What can I do for you?