2012大学英语四级状语从句真题训练（二）

2012大学英语四级状语从句真题训练（二）

1. Most parents encourage their children to take an active part in social events, _____ those events do not interfere with their studies.(92.1/48)
   
    A. lest     B. though     C. unless     D. provided
    
   2._____ you are familiar with the author’s ideas, try reading all the sections as quickly as you possibly can.(92.6/60)
   
    A. As long as     B. Ever since      C. So that      D. Now that
    
    3. A man escaped from the prison last night. It was a long time_____ the guards discovered what had happened.(93.6/50)
   
    A. before      B. until      C. since      D. when
    
   4. Government cannot operate effectively_____ it is free from such interference.(94.1/53)
   
    A. so long as    B. so that     C. unless     D. becausewww.Examw.com
    
    5. I’ll accept any job_____ I don’t have to get up early.(94.1/60)
   
    A. lest     B. as long as      C. in case     D. though

答案：DDACB