出售 nait ESL level4的课本

swing1030

包括：
* E8 _. |# B! G9 j4 pfocus 2:Academic listening and speaking skills
. T- @+ w( u1 {, y8 `5 U+ Bfocus on vocabulary
more reading power(second edition)
+ A* n: e# N% ^: b" F1 U4 tfocus on grammar 5(third edition)
3 p9 V2 n$ W$ ]: i! n+ r. ogrammar and writing
. K0 g; C. E1 e/ K& y, A& z( n联系：862-4883