Answer:
The answer is B) to dirty 
 
        
             
        
        
        
To express that the event will continue until a specific time in the future the sentence would be rewritten in future perfect progressive tense. Future perfect progressive tense refers to the state of action that will be continuing until a specific time in a future.
Future perfect progressive tense is formed as subject + will+ been + present participle of the verb. 
Therefore, the sentence would be rewritten as,
The students will have been painting for an hour without a break to create their Rockwell-inspired art.
 
        
             
        
        
        
1. Sarah studies morphology
2. Aaron studies phonetics
3. Kara studies linguistics
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Creation of energy, focus, and the motivation needed for solving problems. Released negative emotions (anger, tension, anxiety, sadness…) and better control of emotions. ... Conflicts also encourage the consideration of new ideas and approaches and leads to facilitation of innovation and change.