1. 早上你应该主动向老师打招呼。
    You _____ _____ _____ _____ hello to your teacher in the morning.
2. 在回家的路上，汤姆顺便去拜访了他的英语老师。
    Tom _____ _____ his English teacher's home on his way home.
3. 小学生的纪律很宽松吗？
    Do the schoolboys have pretty _____ _____?
4. 你最好晚一点到达聚会场所。
    You'd better _____ _____ _____ late at the party.
5. 最终，这成为一个大家都接受的习俗。
    In time, it becomes an accepted _____.