题干
“Well done，John! Not a single mistake________in this exam paper! ”said the teacher.
A：you made
B：did you make
C：made you
D：you did make
答案(点此获取答案解析）
B
“Well done，John! Not a single mistake________in this exam paper! ”said the teacher.
A：you made
B：did you make
C：made you
D：you did make
处的切线方程是 （ ）