原帖由 Lois 于 2009-2-4 22:39 发表 " L' M" z0 f( H+ |0 myou are wrong, and your friend is also wrong.6 L! d6 g( r9 U. q1 k, K: A2 Z
it has always been 1 year.
7 a. _ c! N4 ?+ w: E, o- b 4 ~, d, q: W! \: X. sI 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?