英语题目排序,最快悬赏10分（）then,you must listen to the teacher carefull

英语题目排序,最快悬赏10分
（）then,you must listen to the teacher carefully .（）when you hear the alarm rings ,you must stop everything quickly first . （）And you,mustn's take your bag .（）And you must line up again in the playground. （） After that you must line up at the door quickly and don't push each other （）Next, you must follow your teacher and wale quickly down the stairs.