What time is it? There are many1you can find out the 2. You may have a watch. You can look at a 3 on the wall. You can listen to the 4 too. It is not always easy to know the time. A long time ago people looked at the 5 to tell the time. They could tell the time of day by looking at the sun in the sky: 6, noon or afternoon.

Hundreds of years later, people invented a machine called a 7. After that people 8 small clocks so that they could carry them in their pockets (口袋). People call very small clocks 9. Now many people 10 watches.