题目

    Many people like to travel by plane, but I don't like it because an airport is usually far from the city, you have to get there early and wait for hours for the plane to take off and it is often late. （A）You can't choose the food. Planes are fast, but they still take hours to go out of the airport and into the city.      I like traveling by train, 1 think trains are safe. Railway stations are usually in cities. When you arc late for the train, you can catch another out.（B） You can walk around in the train and open the windows.（C） You can see many interesting things on yo妈妈今年38岁，比小芳大29岁，小芳今年______岁．