C If the underlined words are correct, put a tick (). If they are wrong, write the correct words. • Look at the sky! Its going to rain. > Is that Erica's car?

1 Those photos on the table are the mine. 2 I met a friend of me at the shops.

3 The childrens' toys were on the floor.

4 I can't do this exercise. Its very difficult. 5 I like all of that writers' books.

6 People's opinions often change.

7 The workers' wages are very low so they are very unhappy.

8 They were talking about the world's problems.

9 Shall we give the cat it's food? 10 She stayed with some relatives of hers in Spain.​