Answer:
1) has / playing / is preparing 
2) while I was doing homework, my mother was arriving home 
 
        
             
        
        
        
The first one is correct. "It is like" the best decision you can ever make. 
Saying it that way, is the same as saying that it would be the best decision that you can ever make, but adding more to it. Almost as if soeaking to someone who is overdramatic, and constantly say the word like.
I hope this helps
 
        
             
        
        
        
The answer is A because it shows the main idea there.
 
        
             
        
        
        
Its got a company name and it says who its for but its not really that exiting to me
        
                    
             
        
        
        
Answer:
he almost fell but the peak saved him
Explanation: