Answer:
<h3>2.their </h3>
Explanation:
I chose "their" because we don't know if the student is a girl or a boy.Also because their a person not a thing.     
 
        
             
        
        
        
Romeo is depressed at the beginning of the play because his love for Rosaline is not returned.
        
                    
             
        
        
        
Answer:
riding on a horse. 
Explanation:
The given text is taken from the poem "Erlkönig" written by Goethe. The word "Erlkönig" can be translated as an "Elf King." The poem speaks about the father and a child who are riding late at night. The child is being carried by his father as the child is being assailed by the Elf King. 
The father and the child are riding in the late night on a horse as the father tries to save his child from the king but till they reach their destination, the boy is already dead. 
So, the opening lines depict a father carrying his child on a horseback. 
 
        
             
        
        
        
The third one, it’s their opinion based on experiences with the coach, it’s not a fact.