原帖由 annie66 于 2009-2-4 21:03 发表 7 _3 v/ H6 q' W0 U, [' e7 q' l5 f3 R I'm sure you haven't had Class 7 yet. If you read learner's book, you will know the answer.
原帖由 Lois 于 2009-2-4 22:39 发表 $ h' _ U9 A% q2 w h8 c( _you are wrong, and your friend is also wrong. . D7 {7 X. U. x+ x0 t, T# r: ?1 H$ [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?