Click "Next" two times to see the matching word and definition. Click "Delete" when you can remember them. When you think you know these words, go to Exercise 1.
decide (v)
to choose something after thinking about it
enough (adj)
as much of something as needed
improve (v)
to get better; to change in a good way
kindness (n)
doing something to make someone happy
knock (n)
a hard hit that creates a loud sound, usually on a door