根据句意和首字母提示完成单词。

1. Bad luck! I missed the early bus because I o         this morning.

2. He ate quick breakfast and r           off to work.

3. Don't forget to l        the door when you leave.

4.1 had g         used to eating north-style meals by the time I got to Beijing.

5. She r           that he had been lying.

钟表的轴心到分针针端的长为4cm，那么经过40分钟，分针针端转过的弧长是______ cm（用π表示）．