Ответ :

1. Benefit - an advantage or profit gained from something.
Locker - a device that locks something.
Innovation - a new method, idea, product, etc.
Bully - seek to harm, intimidate, or coerce.

2. Azerbaijani teenagers always value their life.
British teenagers like to improve their self.
Most American teens enjoy skateboarding.

3. Dull - interesting
Relevant - irrelevant
Strict - stern
Diligent - hard-working

4. A) relevant

5. 1 - b)
2 - d)
3 - a)
4 - c)

6. 1. At school I have to wear a uniform and do my homework.
2. Nowadays students may face bullying.

7. 1. Was built
2. Is being given
3. Are kept

8. 1 - yes
2 - no

9. 1. Is (неправильно) - was
2. Was (неправильно) - were