All of these are subjective except C which is a 100% verifiable fact
a)taste in music is subjective
b) many people think videogames aren't too violent (opinion)
d) this is somebody's opinion
A) Many ethnic groups lived in the arctic regions of Greenland, Norway, and North America
Oxymoron, but i may be wrong so sorry!!
Answer:
Hope this helps!!!
Explanation:
I bolded what I renewed/answer!
1. We (knew) each other since we were at school.
2. They (played) tennis every Sunday for years.
3. I (did not play) tennis.
4. You don't understand because you (did not listen).
5. How long have you been learning English? (Complete sentence change!)
6. You read the book yet?
7. I ate dinner, so let's go out.
8. I read the book you recommended but I'm not finished.
9. She finished her work already.