实用英语语法精华班  
第19节 状语从句(下)  
主讲人：徐国庆  
6
．The young couple，who returned my lost wallet，left ________ I  
could ask for their names.  
答案】ꢀbefore  
． I'll be out for some time.________ anything important happens，  
call me up immediately.  
答案】ꢀIn case  
．________ you start eating in a healthier way，weight control will  
become much easier.  
答案】ꢀOnce  
【
7
【
8
【
9
．Cathy had quit her job when her son was born ________ she  
could stay home and raise her family.  
答案】ꢀso that  
0．Half an hour later，Lucy still couldn't get a taxi ________ the  
bus had dropped her.  
答案】ꢀ where  
【
1
【