原帖由 annie66 于 2009-2-4 21:03 发表 6 ^# _2 W: N5 K8 P1 B5 A; _; [ 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 ( ^4 U: v' R( o S. I
you are wrong, and your friend is also wrong.4 K7 Z6 @4 V+ n% L4 j. P s2 W
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?