I have the following three sentences:
- I am reading it by the end of this week.
- I am reading it at the end of this week.
- I am reading it in the end of this week.
- I am reading it by the end of this week.
- I am reading it at the end of this week.
- I am reading it in the end of this week.
Which one is more grammatically correct?
I think itsit’s the second one, but i reallyI am not sure and ireally sure; I ruled out the third one, i appreciate your help.