原帖由 Lois 于 2009-2-4 22:39 发表 2 ^, Y' q0 f+ T" D3 P$ e0 t
you are wrong, and your friend is also wrong.$ c1 U3 |" V# R/ S. z( f( z0 T* E
it has always been 1 year.
2 v1 S3 L# h: f+ U7 H- l3 H. ?; W; k2 [ {I read the learner's book 5 years ago, which said one year holding time of class 7 to class 5. Did you take the exam 6 years ago?