In the following sentences, you need to add the prepositions on/at correctly for it to make sense.
Were you in bed ..on....... Sunday afternoon?
Oh! No. I only sleep ....at..... Night.
Now, This question requires that we put the correct Preposition from the options given in the blank space. In, On and at are Prepositions of time. For The days of the week, Sunday, Monday,etc, we use On before them and At before the time of the day.
See related link for the use of preposition of time https://brainly.com/question/1510362
