Ответ:
Here are the answers for the grammar exercise:
1. is
2. started
3. joined
4. never looked back
5. train
6. playing
7. play
8. play
9. good
10. train
11. carefully
12. to
1. is
2. started
3. joined
4. never looked back
5. train
6. playing
7. play
8. play
9. good
10. train
11. carefully
12. to
