Look at these sentences. Fill in the missing word with words that start with the prefix re- or the prefix un-. Click SUBMIT when you are done.

To warm up food, you _____ it.

If you are mean to someone, you are _____.

When you take things out of a suitcase, you _____.

If you have to do something more than once, you need to _____ it.

To warm up food, you reheat it.

If you are mean to someone, you are unkind.

When you take things out of a suitcase, you unpack.

If you have to do something more than once, you need to redo it.