Placement test and Cambridge Scale.

 Placement test

https://www.cambridgeenglish.org/in/test-your-english/ (Links to an external site.) 

The Cambridge English Scale Explained

https://www.youtube.com/watch?v=Hprdh3neqow (Links to an external site.) 

Different English Certificate Videos

https://www.youtube.com/watch?v=0_Tuvi2MQtM (Links to an external site.) 

https://www.youtube.com/watch?v=J9BqnSmTnq4 (Links to an external site.)