Question

Punctuate I passed all of my final exams now I can prepare for graduation.

Answer 1

You take your pick:

1. I passed all of my final exams, and now I can prepare for graduation.
2. I passed all of my final exams. Now, I can prepare for graduation.
3. I passed all of my final exams, so now I can prepare for graduation.

(#1 is your most logically structured option!)

Step-by-step explanation:

Hope this helps you!