实用英语语法精华班  
第10节 被动语态  
主讲人:徐国庆  
1
.Unless some extra money  
_______(find),the theatre will close.  
答案】ꢀis found  
_
2
.We won't start the work until all the preparations  
________.  
答案】ꢀhave been made  
3
.—How much do you know about the Youth Olympic  
Games to be held in Nanjing?  
Well,the media ________ (cover)it in a variety of forms.  
答案】ꢀhave covered