谈论并制定班级公约 — 英语填空题
题目
新学期，四（1）班要制定班级公约。请根据句意，选择合适的短语填空（注意词形变化）：keep quiet, listen carefully, don't run, put up your hand。In the classroom, we should ___ in class. When we want to answer questions, we should ___ first. ___ in the hallway（走廊）. It's dangerous. And we should ___ in the library.