原帖由 Lois 于 2009-2-4 22:39 发表 3 a, D7 j7 M6 x" @+ `0 fyou are wrong, and your friend is also wrong.+ s- `: _! F. ~' B: v* `( x2 O
it has always been 1 year.
5 J: X# F. X" M% O6 [ 5 ?' e' ]3 m. x4 HI 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?