The events that took place or for short, "the events" is the direct object of your sentence. 
        
                    
             
        
        
        
B) rang
My aunt rang the dinner bell.
        
                    
             
        
        
        
Answer: To persuade
Explanation:
The speaker is implying that there will be unpleasant consequences if one does not study the problem carefully, and they are trying to persuade you to do so to avoid unnecessary consequences. 
 
        
             
        
        
        
Answer:
affix is an element that is added to a word to form a new word therefore your answer for without means absence
 
        
             
        
        
        
Answer:
1. if Robert knew Jane.
2. where he spent his money
3. to not go far. 
4. he was very tired.
5. she is very hard working this year.
Explanation:
B-
   1. I've just read the book " (insert book name)"
   2. I thought the man walking down the street was my neighbor. 
   3. The students at our school come from all over the world.
   4. Seattle is famous for it seafood and is a beautiful city. (im not for sure bout this one)