The investigator asked the witness where he was __ the night of the murder

Is the answer

  1. at
  2. of
  • In this particular case, you also have the option of leaving out the preposition entirely (though it would be implied as "on"). Oct 27, 2021 at 17:12

1 Answer 1


I would put 'on' there instead of 'at' or 'of'. 'On' is usually used to refer to dates, e.g. 'I did this on Tuesday', 'Christmas falls on the 25th of December', etc.

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