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—Have you ever been to an aquarium?
—_______.
A.Yes, I do
B.No, I don¡¯t
C.Yes, I haven¡¯t
D.No, I haven¡¯t
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—Have you ever been to an aquarium?
—_______.
A.Yes, I do
B.No, I don¡¯t
C.Yes, I haven¡¯t
D.No, I haven¡¯t