快熄灯了，利莎和同学准备回宿舍。明天这个教室将被别人占用，他们只好去图书馆。于是占座就成了问题，他们是怎样解决的呢？ Listen Read Learn Lisa:Are you ready to go? It's getting late. The lights are going to be off soon. Classmate:Yes, I gotta pick up a...
