Relative Clauses Who & Which

My dog, which is called Pancake, is a vegetarian.

• Right

• Wrong

My grandfather, who's 87, goes swimming every day.

• Right

• Wrong

Jack, which is retired now, spends a lot of time with his grandchildren.

• Right

• Wrong

The boy which came to the party yesterday is Mary’s brother.

• Right

• Wrong

Her boyfriend, which lives in Ottawa, has travelled around the world.

• Right

• Wrong

The book which I lent you is based in a true story.

• Right

• Wrong

The cottage, who they use during holidays, is in the South of London.

• Right

• Wrong

Phil, who I met at the summer camp, is very funny.

• Right

• Wrong

My best friends often have a disco in the club, which is very popular.

• Right

• Wrong

The computer who I bought yesterday is really good.

• Right

• Wrong