原帖由 Lois 于 2009-2-4 22:39 发表 $ j. L: p7 a4 T" C$ U2 A
you are wrong, and your friend is also wrong. & ^, q3 v& S/ `* b0 |1 G; H/ {! A, fit has always been 1 year.
* W p X5 [; W& Z6 U# P7 C+ R+ Z& N 1 a2 t% q F0 l1 K+ N% T$ ?/ fI 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?