原帖由 annie66 于 2009-2-4 21:03 发表 , t% ~7 G# J" i" ?" A0 |& ] 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 - S2 y7 B7 g E0 `you are wrong, and your friend is also wrong.0 p/ {8 E( ]- u1 ~# i# `" E/ [. 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?