1. B
2. D
3. C
4. адание-2 1. Some people even say that radiation from mobile causes cancer.
5. Teenagers are among the biggest users of mobile, and " texting" is creating a new language full of abbreviations such as " How RU?' in Japan .
6. Surveys show teenagers are reading less and mobile use is affecting the marks of secondary school learners.
1. Used to
2. Used to
3. Didn't use to did not travel
4. Low
5. Better
6. Starts
7. Plays
Объяснение: надеюсь
