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.
elevator (n)
a machine that moves people up and down in a building
fifth (adj)
after four things in a series; ordinal number of five
out of order (idiom)
not working; can not be used
difficult (adj)
not easy; hard to understand or do
landlord (n)
a person who owns a building or apartment and rents it to other people