Read and judge. （判断短文下的句子是否与短文内容相符，用“√”“×”表示） Tom has a big dog. Its name is Jack. Jack's hair is long and yellow. He is very smart. Every Sunday afternoon Tom takes Jack for a long walk in the park. Jack likes these long walks very much. One Sunday afternoon a young man came to visit Tom. He stayed for a long time. He talked and talked. Soon it was time for Tom to take Jack for a walk. But the young man still (仍 然) stayed. Jack became (变得) very worried. He walked around the room and then sat down in front of (在---前面) the young man and looked at him. But the young man went on (继续) talking. Finally, Jack went out of the room and came back. He sat down again in front of the young man, but this time he had the young man's cap in his mouth. (     )1. Jack is a smart dog. (     )2. Tom walks the dog every Sunday afternoon. (     )3. A young man stayed for a long time with Tom in the park. (     )4. Jack sat down in front of the young man because he wanted the young man to talk with him. (     )5. Jack took the young man's cap in his mouth because he wanted the young man to leave () the house soon.