原帖由 Lois 于 2009-2-4 22:39 发表 Y1 ~! a( a0 }% u) y! Wyou are wrong, and your friend is also wrong.! a5 |; `) s8 [5 R, m9 I& \, O
it has always been 1 year.
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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?