4 Replace the words in bold with an indefinite pronoun.
1 I think there's a person at the door. someone
2 Where's Jack? He's in a room in the school
3 I've looked for my bag in all the places in the
house. I can't find it in any place.
4 There's no food in the fridge.
5 Ouch! I've got a small object in my shoe!
6 There's not one place we can buy milk.