Based on 4c, ex.9

Word formation (prefixes)

Form negative adjectives from the words in bold.

1.	My younger sister is very [ ] . She doesn't believe in recycling.	RESPONSIBLE
2.	People who believe that there is no global warming are [ ] .	INFORMED
3.	Because we need to cut down trees to make paper, it is [ ] to waste paper.	ADVISABLE
4.	She thought it was [ ] that the winter was so warm.	USUAL