原帖由 annie66 于 2009-2-4 21:03 发表 ! w2 @9 U& f) {/ y% e7 U7 }+ D: x 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 5 K" O) s# e: n& m( m6 s/ x7 _
you are wrong, and your friend is also wrong.7 I$ L! b" U* H& Z; q
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?