The key answer of exercise 96.1
The key to exercise solutions in chapter Unit 96 - Relative clauses 5 for the textbook English Grammar in Use with authors Raymond Murphy from Cambridge University Press
Question
Write the relative clauses in a more formal way using a preposition + whom / which.
Answer
- to which I’d never been before
- of which he's very proud
- with whom we went on holiday
- to which only members of the family were invited