Add prefixes un-, dis-, im-, under-, mis-, or re- to the words in bold to complete the sentences

VII. Add prefixes un-, dis-, im-, under-, mis-, or re- to the words in bold to complete the sentences.

1. I’m afraid to __________ agree. I don’t think that’s right at all.

2. Discipline is very important to us. We don’t like the children to __________ obey the teacher.

3. I __________ understood his directions and got completely lost.

4. Shall I throw these boxes away or can we __________ use them for something else?

5. It’s very __________ usual situations. Nothing like this has happened before.

6. I __________ estimated how long the journey would take. It took an hour longer than I expected.

7. The old man walked around the comer and __________ appeared. We never saw him again.

8. I don’t know how you find anything in this office. It’s so __________ tidy.

9. He has to __________ new his driving licence because it has expired.

10. They use children in their factories, which I find completely __________ moral.