原帖由 annie66 于 2009-2-4 21:03 发表 * R, }. \9 q" z5 k. r1 U1 P5 l/ S 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 + F% G; d* ~# j. n& ? Eyou are wrong, and your friend is also wrong. 5 Y8 s0 }8 }* E" G# p& S- F4 X6 \it has always been 1 year.
, I/ I8 f% f/ r1 C. L8 z 0 L+ w4 @. X( b [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?