阅读短文，回答问题。 Today is Jane's birthday. It is seven o'clock. Everything was ready. On the table, there are many different kinds of food. And in the middle of the table, there is a very big cake. Jane is looking at it, and feels excited. 'Why didn't they come by then? I told them to come at seven.' Jane said to her mother worriedly. One, two, three ... Twenty-five minutes passed. But no one came. Jane ran to the door and opened it. No one was there. When it was half past seven, the doorbell rang. Jane opened the door quickly. 'Happy birthday to you!' they said. And they gave some flowers to Jane. After that, they ate the big cake, apples, oranges, pears, beef and so on. They sang and danced happily. At ten they went home. They all felt tired but happy. 1. Were Jane's friends all at Jane's home at seven? 2. What's in the middle of the table? 3. When did Jane's friends come? 4. What did they give to Jane? 5. Did they have a good time?