6.6.1.1 Fill in: living, skyscraper, steel, brick, elevators, skyline.
1 People use ............................. to go up or down a building.
2 Engineers use ............................ to build strong tall buildings.
3 Tall buildings provide .......................... space for many families.
4 The Empire State Building is a ............................. in New York.
5 The Burj Khalifa dominates the ..................
6 He built a
...... wall around the garden so that people
couldn't see inside.​