问题
选择题
"She's not a dancing teacher, is she?" "________."
A．Yes, and she isn'
B．Yes, but she was
C．No, but she isn't
D．No, but she was
答案
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"。此题也可以是 No, but she used to be.
