Select the correct use of the missing word in the sentence below. I walked right ____ him in the mall and didn't realize it. (10 points) past passed pass passt
I walked right past him in the mall and didn't realize it.
Past is being used as a preposition in this sentence. A preposition expresses relation to another thing. Passed would be used as a verb. If we wanted passed to be right, we would hav to say something like, "I passed him in the mall and I didn't realize it."