(2) A: Good morning! ___51___ can I do for you B: I’d like to buy a pair of shoes. A: What ___52___ do you want B: Size 8. A: What about this one B: I don’t like this ___53___，I prefer dark black, have you got any one in that color A: Yes,we’ve just got that kind of dark black.Here you are. B: Thank you! May I try it ___54___ A: Of course. B: It’s just all right,I will ___55___ it.