Today at home with my friend

Today at home , I am only playing  a video game with and using my computer.

Injustice is a noun and unfair is used as an adjective. In this case, you should use unfair since your sentence sounds more conversational and informal, not academic or formal.

Yes, I agree with Melissa. At the end of the text you provided, you can really see that the narrator is being sarcastic.

Maybe it's a metaphor for the flowers and plants in the meadow- the life. But, I agree with Gail, it doesn't make much sense.

1) I agree with Shantel. Sneaky is probably the wrong word to use. I also think clever is the wrong word to use. I would say just call the teen what he/she is...lazy! ;) I can say that because my step-son does the same thing. 2) I also agree with Shantel. All are fine to use.

Not that I am aware of. It seems to be running as usual for me, but I also haven't had a lesson yet today, so that might change.

I believe it means the team kept widening the breakthrough so there was 50 yards on either side of the path.