6.show up 出席 露面
5.break down 损坏
4.on time 准时
3.run off/run away 跑掉 离开
2.go off 闹响
1.by the time 到..时候
64.oven on open fire 在篝火上的炉
Unit10
By the time I got outside ,
the bus had already left .
63.be discovered 被发现
62.not...until 直到...才
61.in a bad mood =be moody 心情糟糕