Multiple choice

The place ___ we used to study is no longer a school.

  1. whom

  2. at

  3. where

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Relative clauses describing places are introduced by the relative adverb 'where'. 'Whom' is used for people, not places. 'At' alone doesn't work as a relative pronoun here. 'Where' serves as both the relative marker and refers back to 'the place'.