Get into the habit of setting a timer and doing activities in a certain time frame. Like studying for 30 mins then after the 30 mins set another timer do to something else you need to do. Start getting into the habit of checking the time. Make a planner. Write things down that you need to get done first and then write the things you want to do.
It should be B, but i am not sure
1. has lived
2. will wait
3. is visiting
4. listening to
5. had paused
6. has drawn
7. been coaching
8. remembered to
9. been planning
10. do not play
Yes. Virtually anything can be the theme of an essay, as long as you can find enough information about it to write enough paragraphs to be considered an essay.