When you are in Britain you often see people go out1an umbrella or a raincoat on a Sunny day. Why?2 the weather in Britain often changes(变化)3·The same weather doesn't stay4. People can have four seasons in one day. In the morning the weather is warm like in5. After an hour, black6come and then it7. The weather gets8. In the afternoon it is9. The sun begins to shine, and it is hot like in summer at this time of a day. The weather is always changing. How10it is!