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Across 2. These have many things and are open all day and night. 5. This is what covers most of the Earth, and people don't live there. 8. It is very big and can carry about 50 to 60 people along the roads. 9. You can play them on your computer or cell phone. 10. The Americans call this a store. You can buy things here. 12. it has four wheels and it is very small. 14. It has two wings and big jets to make it fly. 15. This is blue in the day and black at night. 17. A few people have been up there. They are called astronauts. 18. This has two wheels and it can carry one or two people on the roads. 21. It has two wings which can move fast to make it fly.

Down 1. we can play games and send messages wherever we go. 3. They are like boots which let you skate over the ice. 4. It is very big and can carry heavy things along the roads. 6. These can take us up or down a building so fast. 7. They are huge and float through the sky. 11. we can play games and send messages at home. 13. It has two wheels and no engine. 16. Families often travel in it. 18. We have to climb up or down these in a building. 19. It is very long and has many cars which run on steel rails. 20. You need an umbrella to go out in it!