原帖由 Lois 于 2009-2-4 22:39 发表 3 O; h5 k$ z; f+ b2 [8 l7 H
you are wrong, and your friend is also wrong.4 Q3 }& n" ^) Y" r2 B- V" B
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?