Correct use of relative pronouns
Who is used for persons only. Which is used for animals and inanimate objects. That can refer to both persons and things. It is not used in non-identifying relative clauses. That is preferred in...
IELTS Practice Tests and Preparation Tips
Who is used for persons only. Which is used for animals and inanimate objects. That can refer to both persons and things. It is not used in non-identifying relative clauses. That is preferred in...