原帖由 annie66 于 2009-2-4 21:03 发表 / I# Q0 g" l2 W) I1 L8 }& y 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 X T% _: e$ R! N0 ]' z: y ?' T
you are wrong, and your friend is also wrong.8 J, t8 x! n& ~: U7 O
it has always been 1 year.