根据短文内容判断正(T)误(F)。 My grandpa and grandma live in America. Last winter holiday, they came to Guangzhou to visit us. First, they flew to Guangzhou. We were all happy. They visited the Luming Lake, the zoo, the University City and climbed Baiyun Mountain. They also took many pictures, ate good food and bought presents. They felt very excited because they didn't come back to Guangzhou for several years. On the 10th day, they left Guangzhou and went back to America. ( ) 1. We live with my grandparents in Guangzhou. ( ) 2. My grandparents came back to Guangzhou last winter holiday. ( ) 3. My grandparents came to Guangzhou by plane. ( ) 4. My grandpa and grandma like Guangzhou. They felt happy. ( ) 5. My grandpa and grandma stayed in Guangzhou for a week.