1. Main Course:

New English File (3rd edition) (Oxford publishing)

Intermediate-Upper-intermediate

2. Listening- Speaking:

Q Skills Listening and Speaking 3-4 (2nd edition)(Oxford publishing)

3. Reading-Writing:

Q Skills Reading and Writing 3-4 (2nd edition) (Oxford publishing)

4. Grammar:

A Practical English Grammar Exercise 1-2 (Oxford publishing)