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Speaker A: Did she really use to be very thin? Speaker B: ______A.How do you know that?B.Y
Speaker A: Did she really use to be very thin? Speaker B: ______
A.How do you know that?
B.Yes, she did, but she isn"t any more.
C.I can"t believe what you"ve said.
D.I"m afraid that you are totally wrong.
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