Lockdown

[For ALL MY CLASSES (2C, 2E, 1B, TS2, BTS BAT1, BTS BAT2)
Send me
1. The script of the first 24 seconds ('') of this video. 
2. Write an English summary of what is explained here.

Thanks to put, in the object of your mail 1st your class and 2nd, your surname.
ex: 1B- Arniaud
Send this mail to me here: arago2311@gmail.com]

Take good care all.