in·fin·i·tive
noun
the basic form of a verb, without an inflection binding it to a particular subject 
Answer:
1. To wait
2. To win
3. To (be) sure
4. To accept
5. To get
6. To stay
Explanation:
You need to check for the word "to" in order to see if there is an infinitive in the sentence. 
"To"+verb=infinitive
Feel free to ask questions in the comments.
 
        
             
        
        
        
Answer:
The wanted to jump into the water but the owner wouldn't allow it
 
        
                    
             
        
        
        
Answer:
The details from "The Oasis: Africa" best support the central idea that nature can be severe and unkind are "For eight weary days we had crawled across the burning desert."
Explanation:
The sentence "The Oasis: Africa" best support the central idea that nature can be severe and unkind are "For eight weary days we had crawled across the burning desert." is the only one that talks about natural elements and how harmful they can be to humans, the other options talk about poverty and consequences of it.
 
        
                    
             
        
        
        
Concerned with or comprehending only what is apparent or obvious; not deep or penetrating emotionally or intellectually. Synonyms: