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1)How much is it?
2)I want to buy a present;
3)Can I have two,please?
4)How can I help you?
5)Here you are;
6)How about.

A.-Good morning._____________
B.-Good morning._____________ for my little sister
A.-______________this doll?
B.-That's a good idea.it looks beautiful.______________?
A.-it's three thousand rubles.
B.-Can I have a smaller doll?
A.-_______________it costs 500 rubles
B.-Good.i'll take it.Thank you.