---She's not a dancing teacher, is she? --- . ? A. Yes, and she isn't B. Yes, bu
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---She's not a dancing teacher, is she?
--- _____. ?
A. Yes, and she isn't B. Yes, but she was?
C. No, but she isn't D. No, but she was
试题答案
D
可视为No, she isn't. But she was a dancing teacher.之省略，即其意为“她现在不是舞蹈教师，但她过去是”。