问题补充:
Shes not a dancing teacher, is she? .
A. Yes, and she isn
B. Yes, but she was
C. No, but she isn
D. No, but she was
答案:
A. Yes, and she isn
B. Yes, but she was
C. No, but she isn
(答案→)D. No, but she was
解析:可视为 No, she isn . 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。此题也可以是 No, but she used to be.