单项选择题
A.is B.are C.have D.has
A.I'm glad to hear that B.That's right C.Thank you D.The same to you
A.not at all. B.congratulations to you. C.that's right. D.you are welcome.
A.Excuse me! B.I totally agree with you. C.How pretty you are today! D.Which one do you prefer?
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