A: , Tina?
B: My birthday is on December 7th. You know, today is my birthday.
A: Oh. Happy birthday to you!
B: , Lucy.
A: I want to buy a gift (礼物) for you. Let's go to the store. OK?
B: Great! Thanks very much.
(In the store)
C: ?
A: Yes, please. I'm looking for a pair of socks for my friend.
C: What color does she like?
A: She likes black.
C: What do you think of these socks?
A: They're great. ?
C: 20 yuan.
A: OK, . Thank you.
