1.The thief caught by a policeman just now.(改为同义句)
1.The thief caught by a policeman just now.(改为同义句)
The thief____ ____ ____ by a policeman just now.
2.Last Sunday we heard them sing Peking Opera in the theatre.(被动语态)
They ______ ______ ______ ______Peking Opera in the theatre last Sunday.
3.Where______salt______(produce)?
4.Do you often clean your room?(改被动语态)