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听力原文：M: How much are the carnations and the roses? W: One dollar for each carnation and (9)one and a half for each red rose. M: (9)Then I'd like a dozen red carnations and half a dozen red roses. W: I bet it's for your mother, (8)as it's Mother's Day today. M: Well, not completely true. (8)It happens to be her birthday. W: Oh, really? I guess she must be very happy to receive these beautiful carnations from you. M: Yeah, she will. She really likes flowers. So I buy her some every year. I'd just wish they would stay fresh longer than they do. W: (10)Put a little sugar and vitamin C in the water. They'll stay fresh for days. M: Really? I'll tell my mother. And thanks for your suggestion. W: That's all right. Happy birthday to your mother! (8)A.
Birthday of the man's mother.
B.
Mother's Day.
C.
Mother's Day and the birthday of the man's mother.
D.
Mother's Day and the lady's birthday.
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