答案：In the classroom: Lily and her classmates are listening to the teacher carefully. The teacher is writing on the blackboard and explaining something to them.
In the gym: Some students are playing basketball. One student is jumping up to shoot the ball, and others are watching or preparing to catch it.
In the training centre: A group of students are practicing dancing. They are raising their arms and following the rhythm. Another student is learning cooking skills. He is concentrating on preparing food with the help of the teacher.

答案：Yes, I did some similar things in my middle school, such as having classes and doing sports. But there are also new things in the vocational school, like skill training classes. I feel excited about my new school life. It's a new beginning, and I can learn many practical skills here. I also look forward to making new friends and adapting to the new environment.