原帖由 Lois 于 2009-2-4 22:39 发表 $ s; l3 m6 R: Y8 ~. q p7 [; hyou are wrong, and your friend is also wrong.$ m9 o% ?- o! `* j* q: [! h. a* t+ b) g
it has always been 1 year.
; r1 `5 A$ }7 |3 i; a9 vI 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?