原帖由 annie66 于 2009-2-4 21:03 发表 # ~5 N; L% p/ v& j/ N5 t2 \ 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 8 c( @: P% s# m& E; z5 m3 b& [* @' F5 F
you are wrong, and your friend is also wrong.! e& J/ A% t( p$ x0 p
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?