3. Read the words and choose the correct prefixes. un, non, in pleasant ir, non, un reversible un, im, in mature in, un, dis honest

Here are the correct prefixes for each word:

1. pleasant - unpleasant
2. reversible - irreversible
3. mature - immature
4. honest - dishonest

If you have any more questions or need further assistance with prefixes or any other topic, feel free to ask!