Ответ:

examples with at:

I will probably be late at home

Don't miss your lesson at 3 o'clock.

examples with in:

i will pass online exam in the evening.

You have to do things in time.

examples with on:

I am on my way to home.

I am on the first stage of the leaders.

examples with by:

I go to work by bus

I was doing my stuff by the time he arrived

examples with for:

I am going to be late for a dinner.

I am out for a couple of weeks