If your son is in an international school and is strong in the language but does not know how to speak or write, here is the easy and effective key: Writing and Speaking. The duration is from 3 days for the advanced student and does not exceed 10 days for the intermediate student. Don't say I saw a happy student, but describe the picture. One day I saw a smiling girl moving freely like a cat and confidently like a falcon. She approached me and my friends and talked to us as if she was our friend from childhood. I wondered how she could speak so fluently and where did her ability to understand a group of new colleagues come from in a short time without hesitation? She was leading the team.