I'm sorry but u have to put some options so we can help you with what the answer will be.
Explanation:
Reason for being late?” they ask. "Because the kids wouldn’t get out of bed, they read books by the heater when they were meant to be getting dressed, took half an hour to eat their toast and then couldn’t find their shoes," is what I want to answer. “Just late,” I say, as brightly as possible.
this is more of a personal question, i guess one example would be to study on the subject youre teaching, but like I said, this is more of a decision you would make