I. Warming up
1. …but your friend can’t go he/she finishes cleaning his/her bicycle. (直到…才)
It _________________ stop raining __________ midnight . (直到半夜才停雨)
◆关于not…until…结构只要掌握住其倒装和强调结构就行了：
His parents didn’t go to bed until he came back.
倒装: Not until he came back _______________________________________________.
强调:It was ______________________________ that ___________________________.
