A lift is wonderful. It’s also (11) for
us. Think about a tall building. Maybe it has twenty floors, maybe it has
(12) or more. Who can walk all these stairs every day So if
we use a lift to go up and down, it will be easier for us to live in a tall
building. We can have tall buildings because we have lifts. Sometimes a worker
(13) in the lift. He or she runs it up and down. In
(14) lifts there is no worker. The people walk in. They know
what floor they want to go. They push a (15) and the lift
goes to that floor. It’s very fast and easy.